New Zealand vs Portugal: Period versus cohort life expectancy
New Zealand
82.3 years
in 2021
Portugal
82.26 years
in 2023
New Zealand rank
13th
Portugal rank
15th
Period versus cohort life expectancy over time
- New Zealand
- Portugal
How they compare
New Zealand currently reports 82.3 years against 82.26 years in Portugal, a difference of 0.04 years.
The two have swapped places 4 times across 74 shared years of data; in 1948 it was New Zealand ahead.
New Zealand ranks 13th and Portugal ranks 15th of 41 countries.
New Zealand has averaged higher in every one of the 9 decades both report.
Head to head by decade
| Decade | New Zealand | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1940s | 68.88 years | 56.06 years | 12.81 years | New Zealand |
| 1950s | 70.14 years | 61.09 years | 9.05 years | New Zealand |
| 1960s | 71.22 years | 65.27 years | 5.95 years | New Zealand |
| 1970s | 72.12 years | 69.15 years | 2.97 years | New Zealand |
| 1980s | 74 years | 73.15 years | 0.853 years | New Zealand |
| 1990s | 76.81 years | 75.33 years | 1.49 years | New Zealand |
| 2000s | 79.57 years | 78.35 years | 1.22 years | New Zealand |
| 2010s | 81.5 years | 81.14 years | 0.363 years | New Zealand |
| 2020s | 82.48 years | 81.39 years | 1.1 years | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher period versus cohort life expectancy, New Zealand or Portugal?
- New Zealand, at 82.3 years against 82.26 years in Portugal as of 2021.
- What is the difference in period versus cohort life expectancy between New Zealand and Portugal?
- 0.04 years, with New Zealand ahead.
- How many years of comparable data are there for New Zealand and Portugal?
- 74 years are reported by both, from 1948 to 2021.
- How do New Zealand and Portugal rank globally for period versus cohort life expectancy?
- New Zealand ranks 13th and Portugal ranks 15th 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.