Largest population
Australia has 27,227,096 people in the 2026 medium projection.
Australia/New Zealand population pyramid 2026
32,514,575 people in 2026 (projected), a UN subregion of Oceania with 2 countries and areas.
- 2026 population
- 32.5Mmedium projection
- Median age
- 38.4 years
- Under age 15
- 17.5%
- Age 65+
- 18.4%
Australia/New Zealand population pyramid
2026 · Share of total by five-year age group and sex
Medium projection
Australia/New Zealand population pyramid for 2026: males on the left and females on the right
100+
95–99
90–94
85–89
80–84
75–79
70–74
65–69
60–64
55–59
50–54
45–49
40–44
35–39
30–34
25–29
20–24
15–19
10–14
5–9
0–4
Hover over or tap a bar to see exact values.
Estimate or projection?
The UN series provides historical estimates through 2023. Figures from 2024 onward—including 2026—are medium-scenario projections, not counts or predictions guaranteed to occur.
Australia/New Zealand age structure
In 2026, children under 15 make up 17.5% of Australia/New Zealand’s projected population, compared with 18.4% aged 65 or older. The conventional working-age group, 15–64, accounts for 64.1%.
By 2050, the medium scenario places the population at 38,262,257—a 18% increase from 2026. The 65+ share is projected to reach 23.9%.
Births, deaths, and migration in Australia/New Zealand
The subregion is projected to record 361,344 births and 226,958 deaths in 2026, a natural increase of 134,386, with net migration of +148,140. Deaths are projected to exceed births from 2080. Between 2000 and 2023, cumulative net migration was +4,933,078.
Annual values; dashed lines after 2023 are the UN medium projection.
Mid-year population for every year; the medium scenario reaches 38.3M in 2050.
Demographic contrasts within Australia/New Zealand
A regional pyramid is an aggregate, not a description of every country. The profiles within Australia/New Zealand range from a median age of 38.0 years in New Zealand to 38.5 years in Australia. Those age structures imply different balances of schools, working-age cohorts, and older-age services.
Youngest median age
New Zealand has a median age of 38.0 years and 17.6% under 15.
Fastest 2026 growth
Australia has projected annual growth of +0.9%.
Countries and areas in Australia/New Zealand
| Rank | Country or area | 2026 population | Median age | Under 15 | 65+ |
|---|---|---|---|---|---|
| 1 | Australia | 27,227,096 | 38.5 | 17.5% | 18.5% |
| 2 | New Zealand | 5,287,479 | 38.0 | 17.6% | 18.0% |
Source and interpretation
Regional age groups and totals come directly from the UN WPP 2024 medium series. Country groupings follow the UN M49 regions and subregions used in the source; territories and statistical areas may appear separately. Projection results depend on future fertility, mortality, and migration assumptions.
Questions about Australia/New Zealand
What is the population of Australia/New Zealand in 2026?
The UN WPP 2024 medium scenario projects Australia/New Zealand's 2026 population at 32,514,575.
Which is the most populous country or area in Australia/New Zealand?
Australia is the largest profile in this regional directory, with a projected 2026 population of 27,227,096.
Is Australia/New Zealand's population projected to grow by 2050?
The medium scenario shows a 17.7% increase between 2026 and 2050.