World Bank · Health

Japan: Low-birthweight babies

11.30percent · 2020+2.5% since 2010

Low-birthweight babies are newborns weighing less than 2,500 grams, with the measurement taken within the first hour of life, before significant postnatal weight loss has occurred. Annual figures for Japan from 2000 to 2020.

20002020

Every year

YearValue (percent)Note
202011.305
201911.253
201811.203
201711.16
201611.124
201511.094
201411.073
201311.059
201211.05
201111.043
201011.033
200911.026
200811.016
200711.014
200611.026
200511.049
200411.085
200311.124
200211.163
200111.186
200011.194

Source

Published by World Bank, produced by UNICEF, World Health Organization. Licence: CC BY 4.0. Retrieved 2026-11-07.

The dataset for every country, with quality and provenance →

Cite or download

World Bank (2026). Low-birthweight babies. Interva. https://interva.co/dataset/worldbank-low-birthweight-babies (accessed 2026-11-07). catalog snapshot 2026-11-07.

CSV, all countriesJSON, JapanAPI and MCP

Low-birthweight babies in other countries

Rank Japan against its region, see where publishers disagree, or ask a question in plain words on the Interva desk.

Japan: Low-birthweight babies (2000–2020) · Interva