Japan’s 2025 life table puts life expectancy at birth at 87.33 years for women and 81.35 for men. Both numbers rose from the year before, by 0.20 years for women and 0.25 for men, according to the Ministry of Health, Labour and Welfare’s release on 24 July 2026.
In the international comparison assembled by the ministry, Japanese women ranked first and men seventh. Contemporary Japanese coverage described the women’s result as their 41st consecutive year in first place. The gap between the two Japanese figures was 5.98 years.
We are writers, not clinicians. This is population-level reporting, not medical advice.
Life expectancy is a snapshot, not a prediction
The 87.33-year figure does not mean that every Japanese girl born in 2025 is forecast to live for exactly that long. As the ministry’s methodology explains, a period life table applies the age-specific death rates observed in 2025 to a hypothetical population. Life expectancy at birth is the average number of years a newborn would live if those rates remained unchanged throughout life.
They will not remain unchanged. Over the next eight or nine decades, medical care, infectious disease, living standards, accidents, smoking patterns and public policy will all evolve. The number is therefore a compressed picture of mortality conditions in one year, not a personal forecast for a child born during that year.
This is one year’s period life table, not settled evidence that today’s ranking will persist into the future. Japan also publishes a complete life table every five years. The annual abridged version is designed to track changes between those fuller releases.
The international ranking is not a synchronized league table
The word “global” needs a boundary around it. Japan’s ministry says that strict comparisons are difficult because countries and territories use different reference periods and calculation methods. Its table combines the latest figures it could obtain, rather than measurements made everywhere under one protocol in the same calendar year.
Japan’s 2025 figures sit beside 2024 figures for South Korea, Spain, Switzerland, Cyprus, Singapore and Iceland; 2025 estimates for Sweden, Italy, Norway and France; and an Australian figure covering 2022 to 2024. The result is useful, but it is not a perfectly matched world census.
Small numerical differences can also produce conspicuous changes in rank. Japanese men rose from 81.09 years in 2024 to 81.35 in 2025, yet moved from sixth to seventh in the ministry’s table. Spain’s 2024 figure was only 0.03 years higher than Japan’s, and Cyprus’s was 0.09 years higher. That is roughly 11 days and 33 days respectively, much less dramatic than the ordinal positions sound.
Japanese women had more separation at the top. Their 87.33 years exceeded South Korea’s 2024 figure of 86.6 by 0.73 years. Even there, the underlying years differ. “First for 41 consecutive years” accurately describes the ministry comparison used in Japan’s annual reporting; it should not be mistaken for a single standardized global database.
The six-year average gap becomes clearer at older ages
The life table contains more than one headline average. Its survival estimates show where the female advantage accumulates. Under 2025 mortality conditions, 89.9 percent of Japanese men and 94.5 percent of women would survive to 65. By 75, the shares are 76.0 percent for men and 88.1 percent for women. At 90, they are 26.7 percent and 50.8 percent.
The median remaining calculation tells the same story another way. Half of the hypothetical male life-table population survives beyond 84.13, while half of the female population survives beyond 90.17. Those medians are higher than life expectancy at birth because deaths at younger ages pull down the mean.
Population averages do not create a rule for individuals. Lifespan distributions overlap, and many men outlive many women. As an earlier Science Blog report on survival statistics explained, a substantial mean gap can coexist with a high probability that a randomly selected man outlives a randomly selected woman. The national figures describe patterns across millions of lives, not the fate of any couple or family.
There is no single Japanese longevity secret
A ranking like this invites a simple cultural explanation: one food, one exercise habit, one health practice. National life expectancy is built from many layers instead. Infant mortality matters. So do deaths in working age, access to treatment, the prevalence and management of cardiovascular disease and cancer, road injuries, smoking, alcohol use, suicide and the health of very old people.
The sex difference is not unique to Japan. Across OECD members in 2023, women lived an average of 83.7 years and men 78.5, a gap of 5.2 years. The OECD’s 2025 comparison says women outlive men in every member and partner country for which it reports data. It points to men’s greater exposure to smoking, excessive alcohol use, unhealthy diets, violent deaths, accidents and suicide as important contributors, while noting that the gap has narrowed in many countries.
That context does not prove which factor produced Japan’s 5.98-year difference. Exposure changes between generations, causes interact, and health systems affect whether disease becomes fatal. The defensible conclusion is that the gap reflects a mixture of biology, behavior, social conditions and care, not one national habit that readers elsewhere can copy.
Cause-deleted estimates are useful thought experiments
The ministry also estimates how much longer people might live if particular causes of death disappeared while everything else stayed the same. In its cause-of-death analysis, removing cancer adds a hypothetical 3.07 years for men and 2.66 for women. Removing heart disease adds 1.36 years for men and 1.08 for women. Removing cerebrovascular disease adds 0.64 and 0.55 years.
When all three cause groups are removed together, the hypothetical gain is 5.84 years for men and 4.77 for women. This does not mean a future cancer or heart treatment would automatically deliver those exact extensions. The calculation assumes other mortality rates do not change, although preventing one death leaves a person exposed to other causes later.
The year-to-year details are still informative. Between 2024 and 2025, the ministry calculated lower probabilities of death from heart disease and cerebrovascular disease at each of the displayed starting ages for both sexes. Cancer probabilities also fell at several ages. Pneumonia and senility moved in the other direction. The net result was a modest rise in life expectancy, not a transformation.
A long life is not necessarily a healthy life
Life expectancy records survival. It does not say whether the added years are lived without disability, chronic illness or a need for care. Healthy life expectancy is a separate measure, and the OECD cautions that women do not necessarily spend all of their extra years in good health. A country can keep frail people alive for longer while still facing substantial burdens of illness and care.
That distinction matters when interpreting the 41-year run. The result says something real and notable about mortality in Japan, especially among women. It does not by itself identify why Japanese people live as long as they do, establish that women experience better health at every age, or show that the women currently being born will live for 87.33 years.
The careful reading is narrower and more useful. Under the mortality rates measured in 2025, Japanese women had the highest life expectancy in the latest comparison available to Japan’s health ministry. Japanese men remained among the world’s longest-lived populations, but their average was almost six years lower and their rank was seventh. The distance between those statements and a universal “longevity secret” is where the real demographic story begins.