Child Mortality (under 5) in Japan: 1800 to Today (and Tomorrow)

Behind every statistic on child mortality lies the quiet weight of human lives lived and lost before a child reached their fifth birthday. In Japan, the data traces a vast generational shift in survival, marking how ordinary families experienced the fragility of infancy across centuries. Each numerical record represents a real child born into a specific era, capturing the profound transition from a time of immense vulnerability to an era of extraordinary safety.

The historical arc of survival in Japan reveals a steady, monumental decline across the decades. In the 1800s estimate, child mortality stood at 296.52 per 1,000 births, easing slowly through the 1810s estimate at 289.55, the 1820s estimate at 282.57, the 1830s estimate at 275.6, the 1840s estimate at 268.63, the 1850s estimate at 261.65, the 1860s estimate at 254.68, the 1870s estimate at 247.7, the 1880s estimate at 240.73, and the 1890s estimate at 233.76. By 1900 it was 226.78 per 1,000 births, which matched the 1900s estimate. The descent continued through the 1910s estimate at 202.88, the 1920s estimate at 178.98, the 1930s estimate at 155.08, the 1940s estimate at 131.17, the 1950s at 107.27, the 1960s at 79.08, the 1970s at 50.89, the 1980s at 22.7, the 1990s at 16.06, the 2000s at 9.42, and the 2010s at 5.91.

If you were born in Japan in the 2020s, child mortality stands at 2.4 per 1,000 births — ranking #4 of 157 countries. Looking ahead, the trajectory points toward the 2030s projection at 1.92, the 2040s projection at 1.54, the 2050s projection at 1.5, the 2060s projection at 1.5, the 2070s projection at 1.5, the 2080s projection at 1.5, the 2090s projection at 1.5, and the 2100s projection at 1.5. Where do YOU rank among everyone ever born? →