inadequate for calibration of sample weights in post-apartheid South African household surveys. The official mid-year population … Africa model has become outdated, and the updated Thembisa model does not produce estimates by population groups. We … consistent demographic data disaggregated by age groups, sex, and population groups as well as by province from 1990 to 2022 …

years and future lifetime years of work ensuing from a hypothetical 25,000 excess deaths in Italy, whose affluent population … is one of the world's oldest, with those in Kenya, whose population is one of the most youthful and poor. If Italy …

fertility declines which change population age structures and thus dependency ratios have been slow to begin and often seem to …