Japan · Neonatal Mortality, 0–27 Days (WHO)
0.92024
Unit: per 1,000 live births. Publisher measure: Neonatal mortality rate (per 1000 live births).
Neonatal mortality during the first 28 completed days of life (age 0–27 days), 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 · 57 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 | 1968 | 9.640322816 | 9.324557536 | 9.957763367 | — |
| Japan | 1969 | 9.147577238 | 8.886307771 | 9.408598144 | — |
| Japan | 1970 | 8.698611095 | 8.457283323 | 8.948040422 | — |
| Japan | 1971 | 8.23963977 | 8.011538151 | 8.473915274 | — |
| Japan | 1972 | 7.785397057 | 7.567330109 | 8.009697538 | — |
| Japan | 1973 | 7.387888263 | 7.174318922 | 7.600348048 | — |
| Japan | 1974 | 7.059050211 | 6.861620279 | 7.25444928 | — |
| Japan | 1975 | 6.746655037 | 6.561266086 | 6.939617143 | — |
| Japan | 1976 | 6.41757403 | 6.242842807 | 6.594303095 | — |
| Japan | 1977 | 6.064688956 | 5.896787943 | 6.231047628 | — |
| Japan | 1978 | 5.689489233 | 5.530620176 | 5.850767773 | — |
| Japan | 1979 | 5.306540405 | 5.158051283 | 5.455436014 | — |
| Japan | 1980 | 4.932950744 | 4.794111498 | 5.077550669 | — |
| Japan | 1981 | 4.581173394 | 4.454411516 | 4.716321469 | — |
| Japan | 1982 | 4.255522409 | 4.135019114 | 4.383772532 | — |
| Japan | 1983 | 3.950058558 | 3.831773472 | 4.069725445 | — |
| Japan | 1984 | 3.662315135 | 3.552694905 | 3.772096932 | — |
| Japan | 1985 | 3.394129893 | 3.288886584 | 3.499326421 | — |
| Japan | 1986 | 3.146674824 | 3.048813089 | 3.245248375 | — |
| Japan | 1987 | 2.932473755 | 2.839360384 | 3.025878733 | — |
| Japan | 1988 | 2.76208451 | 2.671365516 | 2.85245052 | — |
| Japan | 1989 | 2.63948723 | 2.553922262 | 2.722637266 | — |
| Japan | 1990 | 2.546754412 | 2.463183419 | 2.632767408 | — |
| Japan | 1991 | 2.471725491 | 2.391869248 | 2.55324327 | — |
| Japan | 1992 | 2.403599595 | 2.325561023 | 2.484264292 | — |
| Japan | 1993 | 2.329984625 | 2.252152508 | 2.409242444 | — |
| Japan | 1994 | 2.249542639 | 2.173045808 | 2.324087177 | — |
| Japan | 1995 | 2.162177466 | 2.084683882 | 2.236414024 | — |
| Japan | 1996 | 2.071022483 | 1.998684856 | 2.141328764 | — |
| Japan | 1997 | 1.98102793 | 1.913436699 | 2.04870458 | — |
| Japan | 1998 | 1.896358968 | 1.830646359 | 1.961853198 | — |
| Japan | 1999 | 1.820639971 | 1.7581182 | 1.881574391 | — |
| Japan | 2000 | 1.758126708 | 1.696647555 | 1.819404151 | — |
| Japan | 2001 | 1.710264626 | 1.653690386 | 1.767875691 | — |
| Japan | 2002 | 1.66285244 | 1.608321294 | 1.719643676 | — |
| Japan | 2003 | 1.595322769 | 1.541334666 | 1.652222838 | — |
| Japan | 2004 | 1.504795811 | 1.454115337 | 1.557065669 | — |
| Japan | 2005 | 1.41449675 | 1.363478778 | 1.465711286 | — |
| Japan | 2006 | 1.344057079 | 1.295113873 | 1.393347234 | — |
| Japan | 2007 | 1.288723664 | 1.242358479 | 1.336050111 | — |
| Japan | 2008 | 1.232471275 | 1.187526956 | 1.278306778 | — |
| Japan | 2009 | 1.170413677 | 1.128005341 | 1.212631776 | — |
| Japan | 2010 | 1.111581458 | 1.06775731 | 1.154661289 | — |
| Japan | 2011 | 1.06554515 | 1.024228286 | 1.10713786 | — |
| Japan | 2012 | 1.025692252 | 0.985753576 | 1.065640638 | — |
| Japan | 2013 | 0.990038998 | 0.951218129 | 1.028738008 | — |
| Japan | 2014 | 0.953653202 | 0.917215471 | 0.990260126 | — |
| Japan | 2015 | 0.92101737 | 0.884167546 | 0.958426419 | — |
| Japan | 2016 | 0.896319158 | 0.860424956 | 0.931983785 | — |
| Japan | 2017 | 0.877624359 | 0.84228307 | 0.911557844 | — |
| Japan | 2018 | 0.861665409 | 0.826602002 | 0.895366824 | — |
| Japan | 2019 | 0.847313785 | 0.814014619 | 0.880643843 | — |
| Japan | 2020 | 0.836178019 | 0.802239672 | 0.870786451 | — |
| Japan | 2021 | 0.830047634 | 0.796420338 | 0.863929223 | — |
| Japan | 2022 | 0.831659264 | 0.797806779 | 0.864968332 | — |
| Japan | 2023 | 0.844649586 | 0.809737108 | 0.88040706 | — |
| Japan | 2024 | 0.867752024 | 0.822714345 | 0.915002972 | — |
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.