Japan · Infant Mortality, Under Age 1 (WHO)
1.82024
Unit: per 1,000 live births. Publisher measure: Infant mortality rate (probability of dying between birth and age 1 per 1000 live births).
Infant mortality probability before the first birthday (age 0–11 months), both sexes, expressed per 1,000 live births under reference-year mortality conditions.
Measurement basis: UN Inter-agency Group for Child Mortality Estimation (UN IGME) modelled or adjusted mortality probabilities/rates, disseminated by WHO.
Reference-period cadence: annual.
Source update cadence: annual. This does not establish a publication date for an individual reading.
Displayed values are rounded, with extra precision when needed to keep a positive estimate positive. Downloads retain the full numeric estimate and the publisher's original display text separately.
A “<” sign means strictly below the stated number. Numeric readings and uncertainty endpoints keep their own comparison signs. A number without a sign does not establish certainty or an observed outcome.
World Health Organization (Global Health Observatory); retrieved 2026-09-07. Retrieval time is separate from an official publisher release vintage.
Download this immutable source capture · Source and coverage corrections
One row per country, indicator and year, with raw values, source links and reuse notices. Thresholds have an empty numeric value and separate number/operator fields; value_kind distinguishes upper bounds from absent readings.
History and uncertainty
Charts plot numeric readings. Reported upper bounds create gaps; their values, uncertainty endpoints and source notes remain available in the table and downloads.
Reported estimates and uncertainty · 76 rows
Each comparison sign applies to its own reading or uncertainty endpoint. Values retain source precision. “Not reported” identifies an absent reading or uncertainty endpoint in this source capture.
| Country | Year | Reading | Lower endpoint | Upper endpoint | Publisher note |
|---|---|---|---|---|---|
| Japan | 1949 | 62.368596978 | 59.33434249 | 65.668234051 | — |
| Japan | 1950 | 57.859933107 | 56.018959027 | 59.74855144 | — |
| Japan | 1951 | 53.695593046 | 52.503028868 | 54.855005469 | — |
| Japan | 1952 | 49.913578213 | 48.932380136 | 50.891902958 | — |
| Japan | 1953 | 46.599365707 | 45.680467427 | 47.541915097 | — |
| Japan | 1954 | 43.759124078 | 42.906811754 | 44.624145758 | — |
| Japan | 1955 | 41.316015921 | 40.485409557 | 42.126158076 | — |
| Japan | 1956 | 39.162657899 | 38.419336235 | 39.898532148 | — |
| Japan | 1957 | 37.14745166 | 36.458275293 | 37.833177442 | — |
| Japan | 1958 | 35.060837312 | 34.404013359 | 35.750157867 | — |
| Japan | 1959 | 32.810280122 | 32.200418242 | 33.452516435 | — |
| Japan | 1960 | 30.409824992 | 29.826746546 | 31.017127117 | — |
| Japan | 1961 | 27.905647631 | 27.384256056 | 28.441938891 | — |
| Japan | 1962 | 25.424713155 | 24.950474221 | 25.902851827 | — |
| Japan | 1963 | 23.083349837 | 22.647010137 | 23.515050121 | — |
| Japan | 1964 | 20.962522966 | 20.564180756 | 21.344791032 | — |
| Japan | 1965 | 19.111446341 | 18.738660594 | 19.474428313 | — |
| Japan | 1966 | 17.547367157 | 17.208505138 | 17.877939945 | — |
| Japan | 1967 | 16.238560379 | 15.931763389 | 16.540718809 | — |
| Japan | 1968 | 15.137794466 | 14.854638939 | 15.423233368 | — |
| Japan | 1969 | 14.195815455 | 13.938762384 | 14.460266405 | — |
| Japan | 1970 | 13.369550318 | 13.125200647 | 13.625499652 | — |
| Japan | 1971 | 12.622641908 | 12.394161818 | 12.864727053 | — |
| Japan | 1972 | 11.929090387 | 11.708956457 | 12.155717531 | — |
| Japan | 1973 | 11.26547942 | 11.055003891 | 11.487541591 | — |
| Japan | 1974 | 10.619108173 | 10.428102711 | 10.820573095 | — |
| Japan | 1975 | 9.996837929 | 9.814195535 | 10.191501556 | — |
| Japan | 1976 | 9.402661228 | 9.231224092 | 9.580114019 | — |
| Japan | 1977 | 8.839775579 | 8.673064888 | 9.005785495 | — |
| Japan | 1978 | 8.316186695 | 8.155683682 | 8.476441942 | — |
| Japan | 1979 | 7.833632109 | 7.68640274 | 7.982185988 | — |
| Japan | 1980 | 7.380335554 | 7.239935933 | 7.52233495 | — |
| Japan | 1981 | 6.953112649 | 6.826497357 | 7.08451285 | — |
| Japan | 1982 | 6.549124162 | 6.428729307 | 6.675951919 | — |
| Japan | 1983 | 6.167859842 | 6.051548619 | 6.287668627 | — |
| Japan | 1984 | 5.812156603 | 5.706770138 | 5.922994412 | — |
| Japan | 1985 | 5.492216156 | 5.389660252 | 5.597815859 | — |
| Japan | 1986 | 5.214922276 | 5.117532379 | 5.314203984 | — |
| Japan | 1987 | 4.985745021 | 4.8891478 | 5.08145435 | — |
| Japan | 1988 | 4.808088144 | 4.711732825 | 4.90225938 | — |
| Japan | 1989 | 4.67759638 | 4.589103124 | 4.766845749 | — |
| Japan | 1990 | 4.583801249 | 4.496030997 | 4.672066543 | — |
| Japan | 1991 | 4.51053887 | 4.426738089 | 4.596523976 | — |
| Japan | 1992 | 4.443340893 | 4.360810581 | 4.52860264 | — |
| Japan | 1993 | 4.360282594 | 4.277626214 | 4.446703311 | — |
| Japan | 1994 | 4.251710654 | 4.170195516 | 4.335545415 | — |
| Japan | 1995 | 4.117049983 | 4.036197248 | 4.198886634 | — |
| Japan | 1996 | 3.957581027 | 3.88235391 | 4.034060723 | — |
| Japan | 1997 | 3.783355113 | 3.71349154 | 3.854805959 | — |
| Japan | 1998 | 3.606065664 | 3.53884903 | 3.674605637 | — |
| Japan | 1999 | 3.435092645 | 3.371125744 | 3.497790763 | — |
| Japan | 2000 | 3.277099695 | 3.214668252 | 3.338635127 | — |
| Japan | 2001 | 3.137682538 | 3.079594106 | 3.196324493 | — |
| Japan | 2002 | 3.017358979 | 2.962424126 | 3.073903222 | — |
| Japan | 2003 | 2.914398657 | 2.860013862 | 2.969205163 | — |
| Japan | 2004 | 2.824994343 | 2.77420405 | 2.877266431 | — |
| Japan | 2005 | 2.743660973 | 2.691899017 | 2.795592572 | — |
| Japan | 2006 | 2.665002263 | 2.615990625 | 2.714898481 | — |
| Japan | 2007 | 2.588473152 | 2.541532219 | 2.637302763 | — |
| Japan | 2008 | 2.517309187 | 2.470413244 | 2.565436297 | — |
| Japan | 2009 | 2.450381963 | 2.405086056 | 2.496342042 | — |
| Japan | 2010 | 2.382375717 | 2.336712333 | 2.427396869 | — |
| Japan | 2011 | 2.332121951 | 2.288868328 | 2.376848646 | — |
| Japan | 2012 | 2.231588488 | 2.190223246 | 2.274532425 | — |
| Japan | 2013 | 2.155275022 | 2.11540991 | 2.196793389 | — |
| Japan | 2014 | 2.082713679 | 2.045393666 | 2.12189547 | — |
| Japan | 2015 | 2.016370052 | 1.978907156 | 2.055484682 | — |
| Japan | 2016 | 1.958056241 | 1.922502867 | 1.995086965 | — |
| Japan | 2017 | 1.905906611 | 1.870116451 | 1.942825631 | — |
| Japan | 2018 | 1.858160012 | 1.823511545 | 1.894192982 | — |
| Japan | 2019 | 1.81522584 | 1.780551015 | 1.850530954 | — |
| Japan | 2020 | 1.783466995 | 1.747750102 | 1.819928672 | — |
| Japan | 2021 | 1.768630243 | 1.733099427 | 1.804256043 | — |
| Japan | 2022 | 1.770758621 | 1.736276842 | 1.805675403 | — |
| Japan | 2023 | 1.788695294 | 1.749662702 | 1.827552841 | — |
| Japan | 2024 | 1.816819757 | 1.758697282 | 1.877218751 | — |
One row per country, indicator and year, with raw values, source links and reuse notices. Thresholds have an empty numeric value and separate number/operator fields; value_kind distinguishes upper bounds from absent readings.