Library

Graphs

Comparative ranking

US Maternal Mortality vs the Developed World

Commonwealth Fund · 2024

Population crossing

Japan: Births and Deaths, 1947–2024

Japan Ministry of Health, Labour and Welfare · Vital Statistics · 2024

Decline curve

Global Sperm Concentration, 1973–2018 (with trend projection)

Levine et al. 2023 · Human Reproduction Update · 2023