New Zealand vs Australia: population pyramids in 2084
New ZealandAustralia
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.
New Zealand and Australia compared
In 2084, New Zealand has a population of 5.8 million and Australia 39.4 million; Australia is about 6.7 times the size of New Zealand.
The share aged 65 and over is 29.8% in New Zealand and 27.1% in Australia, 2.7 points higher in New Zealand. The median age is 47.4 years in New Zealand and 44.8 years in Australia.
The total fertility rate is 1.62 in New Zealand and 1.64 in Australia, both below the replacement level of about 2.1. Life expectancy at birth is 89.3 years in New Zealand and 90.9 years in Australia.
GDP per person is $50K in New Zealand (2025) and $65K in Australia (2025).
Figures from 2024 are UN medium-variant projections.
Key figures (2084)
| New Zealand | Australia | |
|---|---|---|
| Population | 5.8 million | 39.4 million |
| Aged 0–14 | 13.9% | 15.1% |
| Aged 15–64 | 56.3% | 57.8% |
| Aged 65+ | 29.8% | 27.1% |
| Median age | 47.4 yrs | 44.8 yrs |
| Old-age dependency | 52.8 | 46.9 |
| Total fertility rate | 1.62 | 1.64 |
| Life expectancy | 89.3 yrs | 90.9 yrs |
| Population growth | -0.06% | +0.52% |
| Net migration (per year) | +10,892 | +192,109 |
| GDP | $264B (2025) | $1.8T (2025) |
| GDP per person | $50K (2025) | $65K (2025) |
| Unemployment | 5.1% (2025) | 4.1% (2025) |
Economic figures are the latest year published for each country.