[OC] Population pyramids of some very-low-birthrate regions

Sources: Eurostat (for Spain, Germany, Italy and Poland), Akita Prefecture Population Report (Japan), data.go.kr (South Korea), Heilongjang Statistical Yearbook 2025 (China). All data are for 2024. These regions have very low birthrates. The lowest of all is Heilongjiang with a birth rate of 3 x 1000 and an estimated TFR of 0,52 children per woman. [...]