Australia vs New Zealand: population pyramids in 2031
AustraliaNew Zealand
Each bar is the share of the total population at that single year of age (men left, women right), so countries of different sizes can be compared.
Australia and New Zealand compared
In 2031, Australia has a population of 28.3 million and New Zealand 5.4 million; Australia is about 5.2 times the size of New Zealand.
The share aged 65 and over is 19.9% in Australia and 19.9% in New Zealand, almost the same. The median age is 40.7 years in Australia and 40.3 years in New Zealand.
The total fertility rate is 1.64 in Australia and 1.62 in New Zealand, both below the replacement level of about 2.1. Life expectancy at birth is 85.0 years in Australia and 83.3 years in New Zealand.
By 2050, the population of Australia is projected to grow by 14.4% and that of New Zealand to grow by 6.1% compared with 2031.
GDP per person is $65K in Australia (2025) and $50K in New Zealand (2025).
Figures from 2024 are UN medium-variant projections.
Key figures (2031)
| Australia | New Zealand | |
|---|---|---|
| Population | 28.3 million | 5.4 million |
| Aged 0–14 | 16.8% | 16.7% |
| Aged 15–64 | 63.3% | 63.4% |
| Aged 65+ | 19.9% | 19.9% |
| Median age | 40.7 yrs | 40.3 yrs |
| Old-age dependency | 31.5 | 31.3 |
| Total fertility rate | 1.64 | 1.62 |
| Life expectancy | 85.0 yrs | 83.3 yrs |
| Population growth | +0.80% | +0.45% |
| Net migration (per year) | +137,260 | +12,318 |
| GDP | $1.8T (2025) | $264B (2025) |
| GDP per person | $65K (2025) | $50K (2025) |
| Unemployment | 4.1% (2025) | 5.1% (2025) |
Economic figures are the latest year published for each country.