Summarise the main features of population and age demographic given in Table 1, below, and comment on differences between and within countries over time. Table 1 Population by age group in selected countries (1960-2060) Actual Projected 1960 2021 2045 2060 Country Age Japan Total (000s) 94,302 125,502 106,421 92,840 Under 20 40.10% 16.23% 14.62% 14.14% 20 to 64 54.18% 54.92% 48.55% 47.73% Over 64 5.72% 28.86% 36.83% 38.13% Turkiye Total (000s) 27,506 84, 147 102,617 107,020 Under 20 49.77% 30.01% 24.99% 22.81% 20 to 64 46.66% 60.37% 56.87% 54.65% Over 64 3.57% 9.63% 18.14% 22.54% United Kingdom Total (000s) 52,449 67,351 70,968 71,614 Under 20 30.14% 23.27% 19.85% 19.80% 20 to 64 58.17% 57.90% 55.72% 53.65% Over 64 11.70% 18.83% 24.42% 26.55%