Ireland vs New Zealand: Historical population data
Historical population data over time
- Ireland
- New Zealand
How they compare
Ireland currently reports 5.46 million Persons against 5.32 million Persons in New Zealand, a difference of 138,010 Persons.
The two have swapped places 4 times across 76 shared years of data; in 1950 it was Ireland ahead.
Ireland ranks 36th and New Zealand ranks 37th of 43 countries.
Across the 8 decades both report, Ireland averaged higher in 7 and New Zealand in 1.
Head to head by decade
| Decade | Ireland | New Zealand | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 2.92 million Persons | 2.12 million Persons | 798,052 Persons | Ireland |
| 1960s | 2.87 million Persons | 2.60 million Persons | 265,182 Persons | Ireland |
| 1970s | 3.15 million Persons | 3.04 million Persons | 105,881 Persons | Ireland |
| 1980s | 3.50 million Persons | 3.27 million Persons | 229,838 Persons | Ireland |
| 1990s | 3.61 million Persons | 3.64 million Persons | 36,345 Persons | New Zealand |
| 2000s | 4.13 million Persons | 4.09 million Persons | 43,396 Persons | Ireland |
| 2010s | 4.71 million Persons | 4.61 million Persons | 95,572 Persons | Ireland |
| 2020s | 5.23 million Persons | 5.17 million Persons | 59,975 Persons | Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher historical population data, Ireland or New Zealand?
- Ireland, at 5.46 million Persons against 5.32 million Persons in New Zealand as of 2025.
- What is the difference in historical population data between Ireland and New Zealand?
- 138,010 Persons, with Ireland ahead.
- How many years of comparable data are there for Ireland and New Zealand?
- 76 years are reported by both, from 1950 to 2025.
- How do Ireland and New Zealand rank globally for historical population data?
- Ireland ranks 36th and New Zealand ranks 37th of 43 countries.
- Where does this data come from?
- Organisation for Economic Co-operation and Development, published as Historical population data. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
This dataset presents annual population data from 1961 by sex and five year age groups as well as the share of children, youth, the elderly, old-age and total dependency ratios. The data is available for all member countries as well as for the EU27 and G20 countries, Argentina, Brazil, China, India, Indonesia, Russia, Saudi Arabia, Singapore, South Africa and the World total. The data refer to mid-year estimates of the population. See country details in Historical population metadata.