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Fig 1.

Theoretical framework of the research study.

Source: Authors’ illustration based on past literature.

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Fig 1 Expand

Fig 2.

Combination chart on mean annual GDP per capita growth rate and mean elderly population (as a percentage of the total) over time.

Source: Authors’ compilation based on World Development Indicators.

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Fig 2 Expand

Fig 3.

Interpretation of wavelet coherence.

Sources: Authors’ compilation.

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Fig 3 Expand

Fig 4.

All countries: GDP vs EPOP.

Source: Authors’ illustration.

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Fig 4 Expand

Fig 5.

African region: GDP vs EPOP.

Source: Authors’ illustration.

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Fig 5 Expand

Fig 6.

Asian region: GDP vs EPOP.

Source: Authors’ illustration.

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Fig 6 Expand

Fig 7.

European region: GDP vs EPOP.

Source: Authors’ illustration.

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Fig 8.

Oceania region: GDP vs EPOP.

Source: Authors’ illustration.

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Fig 9.

North American region: GDP vs EPOP.

Source: Authors’ illustration.

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Fig 9 Expand

Fig 10.

South American region: GDP vs EPOP.

Source: Authors’ illustration.

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Fig 10 Expand