Migration of health professionals from low and middle income countries to rich countries is a large scale and long-standing phenomenon, which is detrimental to the health systems in the donor countries. We sought to explore the extent of psychiatric migration.
In our study, we use the respective professional databases in each country to establish the numbers of psychiatrists currently registered in the UK, US, New Zealand, and Australia who originate from other countries. We also estimate the impact of this migration on the psychiatrist population ratios in the donor countries.
We document large numbers of psychiatrists currently registered in the UK, US, New Zealand and Australia originating from India (4687 psychiatrists), Pakistan (1158), Bangladesh (149) , Nigeria (384) , Egypt (484), Sri Lanka (142), Philippines (1593). For some countries of origin, the numbers of psychiatrists currently registered within high-income countries' professional databases are very small (e.g., 5 psychiatrists of Tanzanian origin registered in the 4 high-income countries we studied), but this number is very significant compared to the 15 psychiatrists currently registered in Tanzania). Without such emigration, many countries would have more than double the number of psychiatrists per 100, 000 population (e.g. Bangladesh, Myanmar, Afghanistan, Egypt, Syria, Lebanon); and some countries would have had five to eight times more psychiatrists per 100,000 (e.g. Philippines, Pakistan, Sri Lanka, Liberia, Nigeria and Zambia).
Large numbers of psychiatrists originating from key low and middle income countries are currently registered in the UK, US, New Zealand and Australia, with concomitant impact on the psychiatrist/population ratio n the originating countries. We suggest that creative international policy approaches are needed to ensure the individual migration rights of health professionals do not compromise societal population rights to health, and that there are public and fair agreements between countries within an internationally agreed framework.
Citation: Jenkins R, Kydd R, Mullen P, Thomson K, Sculley J, Kuper S, et al. (2010) International Migration of Doctors, and Its Impact on Availability of Psychiatrists in Low and Middle Income Countries. PLoS ONE 5(2): e9049. https://doi.org/10.1371/journal.pone.0009049
Editor: Phillipa J. Hay, University of Western Sydney, Australia
Received: March 11, 2009; Accepted: November 10, 2009; Published: February 4, 2010
Copyright: © 2010 Jenkins et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Funding: The authors received no support or funding for this project.
Competing interests: The authors have declared that no competing interests exist.
Migration of professionals from low and middle income countries to richer countries is a large scale phenomenon, and in 2000 it was estimated that there were 1.5 million professionals from developing countries working in industrialised countries. Certain sets of skills and competencies are so specialised and in such short supply that they are being sourced on a global basis. This global movement includes doctors and nurses, and the loss of such health resources for developing countries results in a loss of capacity of the health system to deliver health care equitably . Thus health worker migration matters because human resources are fundamental to the delivery of health services, and explicit human resource policies are crucial for the implementation of health sector reforms in low and middle income countries, and for the achievement of the Millennium Development Goals. Although human resources for health in low and middle income countries should have been greatly expanded in the last 50 years, in practice, despite the establishment of and considerable efforts by universities and training colleges, there have been substantial losses through brain drain to the richer countries, who derive significant proportions of their health workforce from poorer countries , , , . Governments in low and middle income countries and other observers have expressed considerable concern about the impact of such migration on their health systems , , ,  , and clear arguments for strengthening human resources for health in poor countries have been made .
Push factors include low salaries, poor occupational safety (especially in relation to HIV infection), inadequacy of facilities and supply of medicines, lack of post graduate training and continuing professional development and an expectation and practice within some universities in low income countries of encouraging graduates to go abroad. Pull factors include both active and passive recruitment by high income countries, job vacancies in high income countries with concomitant high salaries, better working conditions and facilities, and better access to higher training and continuing professional development. In specialist areas where there is significant brain drain, overload and professional isolation in those health workers left behind may encourage further emigration.
Taking the UK as an example of a recipient country, the UK has a long tradition of recruiting doctors and nurses from the Commonwealth , . Thus there was a rapid growth in inflow of nurses to the UK, rising from 3,621 in 1998 to 16,000 entering in 2002/2. In 2004/5, over half of the 12000 nurses entering the UK were from India and the Philippines. The NHS stopped active recruitment in 2005/6, . However, the private sector is still actively recruiting, and there is a flow of overseas trained nurses from the private sector to the NHS. Thus in 2007, 6314 overseas trained nurses gained initial registration . Nursing influx to the US has also grown in recent years, rising to approximately 15,000 per annum, half from the Philippines, and significant proportions from India, Nigeria, Jamaican, South Africa and Ghana. Ireland is also a major destination country for nurses , , . Nurse migration has had significant impact on the experience and seniority of staff remaining in hospitals in the Philippines, most of whom are now under 40 .
Medical flows to the UK have been less well documented than nursing flows. The General Medical Council (GMC) reported a rise of 38% in overseas trained doctors registering in UK between 1993 and 2002. In 2008, out of a total of 245,067 doctors registered with the GMC, 91,982 of these are foreign medical graduates. In the US, 23% of doctors trained overseas and 64% of these came from low and middle income countries . Thus, 5334 doctors from Sub-Saharan Africa are now in the US, of which 86% are from Nigeria, South Africa and Ghana . Altogether there are 10,936 doctors in the US, UK and Canada from Sub-Saharan Africa, which is 12% of all currently employed/working African educated physicians.
There are marked differences between medical specialties both in terms of the absolute numbers of professionals moving from poorer to richer countries, and also in the impact of the loss of services to the poorer countries, and it is therefore of interest to examine the situation in relation to psychiatry.
Mental health services are particularly scarce in low and middle income countries, and scaling up mental health services is especially challenging, requiring a strategic approach to human resource development, retention and deployment in low and middle income countries . For example, the recent Lancet series on mental health identified low numbers of mental health specialists as a barrier to the improvement of mental health services in low-income and middle-income countries with the deficit reflecting not only on the delivery of specialist services but also on needed training and supervision of primary and general health care workers. A number of authors have already expressed concern about brain drain specifically in relation to psychiatrists , . It is therefore crucial to collect empirical data to understand the scale of this brain drain as psychiatrists and psychiatric nurses are essential not only for the delivery of specialist services, but even more importantly for the support and supervision of front line primary care workers, for intersectoral liaison with the education, social welfare and criminal justice systems, and for training, service development and leadership at district, provincial and national levels, . Obtaining empirical data on the movement of mental health workers to developed countries will assist the recent proposal , addressed to those developed countries receiving migrant health workers, to provide significant resources to assist mental health services in those countries from which the workers have come .
This paper therefore aims to assess the scale of the brain drain of psychiatrists to four high-income countries - UK, US, Australia and New Zealand - and to estimate its impact on the population ratios of psychiatrists in donor countries. The first three of these countries were specifically identified in the recent call for action published in Lancet , and these countries were suggested to be the main beneficiaries of the brain drain of mental health professionals from low-income and middle-income countries. It is therefore important to document the extent of the mental health manpower resources from which they have benefitted in order to determine what level of response is required from them. This response could subsequently form part of the planned monitoring of the implementation of the call.
Data on migrant psychiatrists with specialist qualifications were obtained from the professional association of psychiatrists in each of the participating countries, Australia, New Zealand, UK and USA.
In the UK, the Royal College of Psychiatrists 2007 databases for England and Wales, Scotland and Ireland were analysed to provide data on members whose specialist qualifications have been obtained in other countries.
In New Zealand, the data was obtained from the 2006 Medical Council of New Zealand annual workforce survey. This is a compulsory survey of all doctors working in New Zealand who complete it as part of their annual registration application. It provides data on the country of origin of the basic medical degree for specialists (Consultants), registrars (Interns) and medical officers. The figures we report from New Zealand are for Consultants only.
In Australia, registry data from 2008 was obtained from the Royal Australian and New Zealand College of Psychiatrists (RANZCP). It takes into account Fellows of the College and Exemptions candidates applying for fellowship who obtained their specialist qualifications outside of Australia.
We were not able to obtain data on the group of overseas trained specialist psychiatrists in Australia who are practicing in public health services in an AON (Area of Need), i.e., in rural and outer metropolitan areas but who are not Fellows of the RANZCP.
Investigation revealed these data are not held by the RANZCP or any state bodies, but rather by the Australian Institute of Health and Welfare, which planned to release the 2006 AIHW Medical Labour Force report in late 2008, making it unavailable at the time of analysis.
In the USA, the 2008 data were obtained from the American Psychiatric Association, of which most psychiatrists are members. It provides data on the country of origin of their basic medical degree.
Data were grouped into countries of origin, classified by WHO regions to calculate the numbers who have moved from each source country to each of the four western countries under consideration, namely UK, US, Australia and New Zealand. The WHO Mental Health Atlas 2005, a compendium of government reported data on mental health, was then used to gather data on the population of each country of origin (A) and the number of psychiatrists per 100,000 (B). These figures were used to calculate the number of psychiatrists in each of the countries of original qualification, collected as above [(AxB)/100, 000 = C].
The impact of the brain drain on that country (“impact factor”) was then calculated by adding the number of psychiatrists (C) each participating country had and re-calculating the number of psychiatrists per 100,000 there might have been without emigration [(100000xC)/A].
The tables show the number of psychiatrists for each source country in each of the six WHO regions who are now working in the UK, Australia, New Zealand and the US, the population of the source country, the number of psychiatrists in that country, the ratio of psychiatrists per 100,000, and the impact of emigration. Table 1 demonstrates the US draws very significant numbers of doctors who are either psychiatrists or who later become psychiatrists from the low and middle income countries in the WHO Americas region, the UK draws a few psychiatrists, and Australia and NZ only draw from the high income countries. The majority of migrant psychiatrists working in the UK who originate from the WHO Americas are drawn from a few specific countries in the region, namely Argentina, Brazil, Canada, Cuba, Dominican Republic, Jamaica, Trinidad, USA and Venezuela, while in NZ they come entirely from the US, and in Australia they come in roughly equal numbers from Canada and the US. The US lists nearly 3000 psychiatrists who originally come from the Americas region, somewhat surprisingly none from Canada, but nearly 800 are from Mexico, nearly 600 from the Dominican Republic, 250 are from Cuba and over 200 each are from Columbia and Grenada, and nearly 100 each from Brazil and Peru, and smaller numbers from a wide range of other countries. However, it should be noted that a significant proportion of the doctors apparently originating from Mexico, Grenada and the Dominican Republic would in fact be US citizens studying in medical schools in those countries and then returning to work in the US . Further, excess Cuban doctors are trained for deployment abroad as a foreign policy strategy.
Table 2 shows that both the US and UK databases list high numbers of psychiatrists originating from the Southeast Asia region (1302 to the UK and 3680 to the US, both largely drawn from India). Other countries besides India that have contributed psychiatrists to the UK are Bangladesh, Myanmar, Nepal and Sri Lanka. The US has received 3293 from India, 106 from Sri Lanka and 78 from Myanmar. New Zealand has received 13 from India, and Australia has received 150 from the region, of whom 137 are from India, and 13 from Sri Lanka. Table 2 also shows that the ratio of psychiatrists per 100,000 population is estimated to be almost five times higher in Sri Lanka, three times higher in Bangladesh, and twice as high in Myanmar if those currently working abroad had instead continued their psychiatric careers in their original countries.
Table 3 shows the UK lists 467 psychiatrists originally from the Africa region (214 from Nigeria, 196 from South Africa, a few from Ghana and a handful from several other countries), while the US has received 383 psychiatrists from Africa, again mostly from Nigeria and South Africa. In NZ, all come from South Africa, and in Australia, nearly all come from South Africa with one exception from Uganda. We estimate the ratio of psychiatrists per 100,000 population would be between 2 and 8 times higher in The Congo, Ghana, Liberia, Nigeria, South Africa, Zambia, Zimbabwe those currently working abroad had instead continued their psychiatric careers in their original countries. The Uganda data in WHO Atlas is anomalous as in fact Uganda only has 23 psychiatrists ; it is probable that Uganda, in reporting to WHO Atlas, included the important cadre of medical officers trained in psychiatry (who have had a three year basic medical training rather than the normal five or six years).
Table 4 shows the 1845 US psychiatrists originate from the WHO Eastern Mediterranean region, of whom 972 are from Pakistan, 382 from Egypt, 91 from Lebanon, 73 from Syria, 46 from Iraq and 18 from Afghanistan.
423 psychiatrists registered in the UK originate from WHO Eastern Mediterranean region, of whom 181 are from Pakistan, 67 from Iraq, 27 from Iran and 28 from Sudan. NZ draws very few from this region (only 4 from Pakistan), as does Australia with only 3 from Iran and 3 from Iraq. We estimate the ratio of psychiatrists per 100,000 population in Pakistan would be 4 to 5 times higher had the psychiatrists from Pakistan currently registered abroad continued to work in psychiatry in their country of origin, and would be 1.5–3 times higher in Afghanistan, Egypt, Lebanon and Syria.
Table 5 shows the US has received numbers (2322) from the WHO Pacific region, of whom 1590 are from the Philippines, 476 from Korea, 86 from Cambodia, 77 from Australia, 44 from Japan, and 34 from Vietnam. The UK only draws 64 from this region, of whom 29 are from Australia, 17 from NZ, 7 from Singapore and 5 from China. New Zealand currently does not have any psychiatrists who originate from this region, while the Australian register lists a large number originating from New Zealand (151), with 4 from Malaysia and 1 from Singapore. The table indicates that the greatest relative depletion of psychiatrist population ratio is in the Philippines where it would be six times higher if those currently working abroad had instead continued their psychiatric careers in the Philippines, and interestingly in New Zealand which would have nearly twice the number of psychiatrists if those currently working abroad had instead continued their psychiatric careers in New Zealand.
Table 6 shows that the UK currently employs psychiatrists originating from a wide range of European countries, with the majority from Ireland, Spain, Germany, Russia, and Poland.
New Zealand has drawn 63, all from the UK. Australia has taken 333 from the UK, and small numbers from each of 14 other European countries. The US has attracted 3763 psychiatrists from across Europe, of whom only 216 are from the UK, and the rest are from a very wide spread of countries. Ireland, Israel and Malta are the countries that have suffered most from brain drain in the European region, halving the psychiatrist population ratios for Ireland and Malta.
We document large numbers of psychiatrists currently registered in high income countries who originate from low and middle income countries. Some countries have experienced a high volume of outward migration in terms of sheer numbers (e.g. India, Pakistan, Bangladesh, Nigeria, Egypt, Sri Lanka, Philippines), while other countries have only lost a few psychiatrists, but these few represent a large proportion of the country total, (e.g. Tanzania) . Thus we estimate that many countries would have probably have more than double the proportion of psychiatrists per 100,000 (e.g. Bangladesh, Myanmar, Afghanistan, Egypt Syria, Lebanon), and some countries would have five-eight times more psychiatrists per 100,000 if those currently working abroad had instead continued their psychiatric careers in their original countries (e.g. Philippines, Pakistan, Sri Lanka, Liberia, Nigeria, Zambia).
There are several limitations to our data. Firstly, the professional psychiatric associations in each participating country collect data in a different way, with the UK and Australia collecting data on the members' psychiatric as well as basic medical qualifications from their country of origin, and the US and NZ collecting data on basic medical qualification from the country of origin.
Secondly, not all specialist-trained psychiatrists who migrate are registered and practicing in the field in which they are trained, and are thus not accounted for by the data provided by the professional associations.
Thirdly, data provided by the professional associations for this analysis are for people who are currently registered with their respective professional associations, using information supplied when the individual registered, whereas data from the WHO Atlas is from 2005. Although the basic and psychiatric qualifications would not be expected to change over time, nonetheless it is unknown how much of a difference it would make to our calculations if the data were to be collected by direct contact with registrants over the same time period.
Fourthly, it was not always clear-cut from the professional associations' databases in which particular countries individual psychiatrists had trained and so individuals with such incomplete data were left out of the calculations.
Fifthly, we were unable to access the data of country of origin of psychiatrists in Australia who have been recruited to work in areas of need, but who are not registered with the RANZCP. Thus our Australian data is a considerable underestimate. The process of this analysis has highlighted the difficulties in obtaining an accurate overview of brain drain. However, we believe the data provide a significant start to understanding the scale of the migration of psychiatrists from low and middle-income countries to richer ones, and its impact on population access to mental health care in the donor countries.
The ratios of psychiatrists per head of population in the west have risen dramatically (for example in the UK in the 1970s, the ratio was 1 psychiatrist per 100,000; in the 1990s it was 1 per 50,000 and now it is around 1 per 10,000). In contrast, the numbers of psychiatrists in Africa is still extremely low (0.33 per 100,000) which we have estimated from our data would have been 0.52 per 100,000 if movement to high-income countries had not occurred.
A recent World Psychiatric Association Taskforce on brain drain conducted a small survey to explore reasons for psychiatrist migration, and found that professional isolation and the search for better training opportunities were key reasons for emigrating. Another reason was the paucity of other mental health professionals resulting in the lack of a multidisciplinary approach, and poor treatment conditions for patients .
As an example, Nigeria's plan to integrate the delivery of mental health service into primary care has failed because of the shortage of psychiatrists. Only 19 of Nigeria's 36 states as well as the national capital, Abuja, have any psychiatrists at all. Nigeria had a well regarded home-based specialist training programme in psychiatry for over 25 years, but today this is threatened by a lack of suitably qualified psychiatrists.
Training of psychiatrists is also affected by lack of adequate numbers of trainers. Even though Nigeria has had home-based specialist training programmes in psychiatry for over 25 years, the rate of production of specialists has remained stunted, and currently, about only about 50% of Nigeria's tertiary mental health facilities have enough psychiatrists on their staff to be able to provide accredited training. If Nigerian-trained psychiatrists living overseas were to return to work in Nigeria, the country could probably double its mental health manpower every 5–6 years.
The overarching objective of global health initiatives is equity to address differences in health status that are unnecessary, avoidable and unfair; to direct more resources for health to those in greatest health need; and to influence decisions on how resources for health are shared and allocated. In relation to the inequitable global distribution of health workers, there are many political and economic reasons which encourage health workers and their families to leave poor countries to seek a better life, whether better in terms of security, education or quality of work environment. Health workers, like any other world citizen, have Labour rights, rights to education, health, non-discrimination and equality, as established by the 1947 UN Declaration of Human Rights. However, ethical principles and rights are never absolute – and always needs to be tempered by competing rights . Thus, the population of the source country also has a right to health, which is just as important as the right to health of the destination country, and as the individual rights of the migrant health workers. Indeed, the right to health is now entrenched in international law in the 1996 International covenant on economic, social and cultural rights. This right to health is seriously undermined when health professionals decide to leave poor countries. Other considerations include the poor countries loss of investment in the education and experience of those who emigrate. In many developing countries, undergraduate places in medical schools are grossly short compared to the number of candidates who want them. When some of the few who eventually get those places emigrate, the loss to the country is compounded.
It has been frequently argued that, despite the damage to health systems, poor countries gain from exporting health workers by remittances sent back to the donor country. However, there is evidence from the Philippines that the intellectual and financial capital accrued to the sending country does not balance the detrimental effects of losing a much needed health worker, and that remittances are seldom used for productive public purposes, directed to the poor, or to health systems, but rather directed to the family of the health worker, which is usually already relatively better off then the bulk of the population of the donor country . The Philippines have donated nurses for very many years and are now short of nurses, and wards are closed , , . Meanwhile, some Filipino doctors are converting to nursing so they too can emigrate .
More research on migration of health workers is crucial, especially methodological developments to resolve the problems of measurement of cost benefit data, monetary values, numbers of staff, and rate at which costs should be discounted. If a senior person leaves a country, the country loses teaching skills and capacity, service development and policy dialogue as well as clinical skills. Internal migration within countries,(from rural to urban areas, and from public health systems to higher paid jobs in NGOs and private practice) also further compromises access to equitable health care .
Creative policy approaches are needed to ensure that individual rights of health professionals do not compromise the societal right to health. These might include career path incentives such as continuing professional development, higher training, scholarships, bonding agreements, research opportunities and flexible working, especially for women to encourage staff retention and motivation. Social incentives include provision of housing (Lesotho, Mozambique, Malawi, Tanzania), staff transport (Lesotho, Malawi, Zambia), child care (Swaziland), free food (Mozambique, Mauritius), better facilities and equipment, security for staff, HR management, access to health care and provision of medication for HIV .
A comprehensive approach of international agreements to mitigate harm to the supply of health workers in low and middle income countries is crucial, combined with collaborative international partnerships to strengthen general health services and specialist mental health services in low and middle income countries, and accompanied by stronger capacity for workforce monitoring and planning.
Migration of doctors is likely to continue until international aid incorporates a human capital and health systems strengthening agenda which respects the right to health of the general population. Task shifting to primary care nurses and clinical officers and to psychiatric nurses has already long been in place for mental health , but without adequate involvement of and systematic support from well trained specialists , the quality of training, service development, policy dialogue, assessment and treatment provided is compromised.
Conceived and designed the experiments: RJ. Analyzed the data: RJ SK JC OG SH SB MLW. Contributed reagents/materials/analysis tools: RK PM KT JS. Wrote the paper: RJ RK PM KT JS SK JC OG SH SB CC SH.
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