All countries in Europe and North America, except Mexico, currently have over 50% in the 20-60 age group. The over 60s are almost everywhere the minority, except in Germany and Portugal. The young in Mexico are almost as numerous as the 'adults'.

By 2025 only Ireland, Moldova, US and Mexico retain more 'young' than over 60s.

By 2050 the number of 'old' exceed the 'adults' in Bulgaria. No country has over 50% in the 'adult' group. Only Mexico still has more 'young' than over 60s.