Hong Kong, China vs Japan: Period versus cohort life expectancy
Hong Kong, China
85.25 years
in 2023
Japan
84.16 years
in 2023
Hong Kong, China rank
1st
Japan rank
2nd
Period versus cohort life expectancy over time
- Hong Kong, China
- Japan
How they compare
Hong Kong, China currently reports 85.25 years against 84.16 years in Japan, a difference of 1.09 years.
The two have swapped places 7 times across 38 shared years of data; in 1986 it was Japan ahead.
Hong Kong, China ranks 1st and Japan ranks 2nd of 41 countries.
Across the 5 decades both report, Hong Kong, China averaged higher in 2 and Japan in 3.
Head to head by decade
| Decade | Hong Kong, China | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 77.01 years | 78.59 years | 1.58 years | Japan |
| 1990s | 78.93 years | 79.87 years | 0.937 years | Japan |
| 2000s | 81.58 years | 82.12 years | 0.538 years | Japan |
| 2010s | 83.85 years | 83.7 years | 0.154 years | Hong Kong, China |
| 2020s | 84.76 years | 84.39 years | 0.3725 years | Hong Kong, China |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher period versus cohort life expectancy, Hong Kong, China or Japan?
- Hong Kong, China, at 85.25 years against 84.16 years in Japan as of 2023.
- What is the difference in period versus cohort life expectancy between Hong Kong, China and Japan?
- 1.09 years, with Hong Kong, China ahead.
- How many years of comparable data are there for Hong Kong, China and Japan?
- 38 years are reported by both, from 1986 to 2023.
- How do Hong Kong, China and Japan rank globally for period versus cohort life expectancy?
- Hong Kong, China ranks 1st and Japan ranks 2nd of 41 countries.
- Where does this data come from?
- Human Mortality Database (2025) – processed by Our World in Data, published as Period versus cohort life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Period life expectancy at birth, in a given year.