Cook Islands vs Japan: Sex gap in life expectancy at age 45
Cook Islands
5.78 years
in 2023
Japan
5.74 years
in 2023
Cook Islands rank
38th
Japan rank
41st
Sex gap in life expectancy at age 45 over time
- Cook Islands
- Japan
How they compare
Cook Islands currently reports 5.78 years against 5.74 years in Japan, a difference of 0.04 years.
The two have swapped places 7 times across 74 shared years of data; in 1950 it was Japan ahead.
Cook Islands ranks 38th and Japan ranks 41st of 236 countries.
Across the 8 decades both report, Cook Islands averaged higher in 2 and Japan in 6.
Head to head by decade
| Decade | Cook Islands | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 2.1 years | 3.34 years | 1.24 years | Japan |
| 1960s | 1.44 years | 3.94 years | 2.5 years | Japan |
| 1970s | 3.78 years | 4.2 years | 0.4201 years | Japan |
| 1980s | 4.82 years | 4.84 years | 0.0163 years | Japan |
| 1990s | 5 years | 5.7 years | 0.7014 years | Japan |
| 2000s | 5.91 years | 6.29 years | 0.3813 years | Japan |
| 2010s | 5.97 years | 5.89 years | 0.0746 years | Cook Islands |
| 2020s | 5.77 years | 5.76 years | 0.0119 years | Cook Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher sex gap in life expectancy at age 45, Cook Islands or Japan?
- Cook Islands, at 5.78 years against 5.74 years in Japan as of 2023.
- What is the difference in sex gap in life expectancy at age 45 between Cook Islands and Japan?
- 0.04 years, with Cook Islands ahead.
- How many years of comparable data are there for Cook Islands and Japan?
- 74 years are reported by both, from 1950 to 2023.
- How do Cook Islands and Japan rank globally for sex gap in life expectancy at age 45?
- Cook Islands ranks 38th and Japan ranks 41st of 236 countries.
- Where does this data come from?
- Human Mortality Database (2025); UN, World Population Prospects (2024) β with major processing by Our World in Data, published as Sex gap in life expectancy at age 45. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Difference in period life expectancy (females - males) at a given age.