Iceland vs New Zealand: Period versus cohort life expectancy

Iceland
82.29 years
in 2023
New Zealand
82.3 years
in 2021
Iceland rank
14th
New Zealand rank
13th

Period versus cohort life expectancy over time

  • Iceland
  • New Zealand
20406080183819302023

How they compare

New Zealand currently reports 82.3 years against 82.29 years in Iceland, a difference of 0.01 years.

The two have swapped places 2 times across 74 shared years of data; in 1948 it was Iceland ahead.

Iceland ranks 14th and New Zealand ranks 13th of 41 countries.

Iceland has averaged higher in every one of the 9 decades both report.

Head to head by decade

Decade Iceland New Zealand Difference Ahead
1940s 70.8 years 68.88 years 1.92 years Iceland
1950s 72.57 years 70.14 years 2.43 years Iceland
1960s 73.58 years 71.22 years 2.36 years Iceland
1970s 75.13 years 72.12 years 3.02 years Iceland
1980s 77.16 years 74 years 3.16 years Iceland
1990s 78.73 years 76.81 years 1.92 years Iceland
2000s 80.93 years 79.57 years 1.36 years Iceland
2010s 82.29 years 81.5 years 0.785 years Iceland
2020s 82.82 years 82.48 years 0.335 years Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher period versus cohort life expectancy, Iceland or New Zealand?
New Zealand, at 82.3 years against 82.29 years in Iceland as of 2021.
What is the difference in period versus cohort life expectancy between Iceland and New Zealand?
0.01 years, with New Zealand ahead.
How many years of comparable data are there for Iceland and New Zealand?
74 years are reported by both, from 1948 to 2021.
How do Iceland and New Zealand rank globally for period versus cohort life expectancy?
Iceland ranks 14th and New Zealand ranks 13th 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.

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Iceland vs New Zealand: Period versus cohort life expectancy. Statizoid, drawing on Human Mortality Database (2025) – processed by Our World in Data. Retrieved 09 September 2026, from https://health.statizoid.com/compare/period-versus-cohort-life-expectancy/iceland/new-zealand/

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About this data

Indicator
Period versus cohort life expectancy
Unit
years
Source
Human Mortality Database (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
41 places, 3,817 data points, 1751–2024
Last refreshed

Period life expectancy at birth, in a given year.