Australia Population Pyramid (2026)
Australia has a population of 27,227,096 in 2026, according to the UN World Population Prospects 2024 (projection for 1 July). That is the 55th-largest population in the world and 0.33% of the global total of 8.30 billion. Children under 15 make up 17.5% of the population and people aged 65 and over 18.5%, with 98.5 males for every 100 females.
Australia Demographics
Australia has 27.2 million people in 2026, up 116.1% from 12.6 million in 1970.
Births outnumber deaths by 116,312 (UN projection for 2026).
65+ share 18.5% — the 41st-highest of 194 countries.
Median age 38.5 — the 52nd-highest of 194 countries.
Largest generation: Millennials — 22.7% (6,193,082)
All generations in Australia →
Population pyramid, 1950 to 2026
Watch how Australia's population structure evolved from 1950 to 2026
Page Navigation(Quick jump to sections)
Sex Ratio & Gender Distribution
Australia has 98.5 males per 100 females (sex ratio)
Women outnumber men by 204,728 (0.8% of the population).
Male Statistics
- Population:13,511,184
- Percentage:49.6%
Female Statistics
- Population:13,715,912
- Percentage:50.4%
- Ratio Format:1:1.015
Sex Ratio Analysis
The sex ratio of Australia indicates more females than males.
Birth Statistics & Natality Data
Estimated births today
Simulated from the UN WPP 2024 projection of 303,345 births in 2026.
Current Birth Metrics (2026)
Temporal Distribution
Averages from the UN annual births, 2026 projection
Historical Birth Rate Trends, 1950 to 2026
Birth Statistics, 2021 to 2026
| Year | Births | Birth Rate (per 1,000) | TFR (children/woman) | Type |
|---|---|---|---|---|
| 2021 | 304,162 | 11.7 | 1.65 | estimate |
| 2022 | 303,397 | 11.6 | 1.64 | estimate |
| 2023 | 304,340 | 11.5 | 1.64 | estimate |
| 2024 | 304,984 | 11.4 | 1.64 | projection |
| 2025 | 304,326 | 11.3 | 1.64 | projection |
| 2026 | 303,345 | 11.1 | 1.64 | projection |
Historical Analysis
Global Context (2026)
Source: UN WPP 2024: births, birth rate and fertility for 2024 and later are medium-variant projections; 1950–2023 are estimates. The live counter is a uniform simulation of the 2026 projection (303,345 births), not a real-time feed.
Median Age Analysis
Australia's median age is 38.5 years
Half the population is younger than 38.5 years, half is older — indicating a middle-aged society
Complete Age Distribution & Youth Demographics
| Age Group | Population | % | Category |
|---|---|---|---|
| 0-4 | 1,555,572 | 5.7% | Youth |
| 5-9 | 1,566,716 | 5.8% | Youth |
| 10-14 | 1,647,605 | 6.1% | Youth |
| 15-19 | 1,681,636 | 6.2% | Young Adult |
| 20-24 | 1,655,824 | 6.1% | Young Adult |
| 25-29 | 1,779,870 | 6.5% | Working Age |
| 30-34 | 1,939,506 | 7.1% | Working Age |
| 35-39 | 1,973,992 | 7.3% | Working Age |
| 40-44 | 1,910,282 | 7.0% | Working Age |
| 45-49 | 1,685,397 | 6.2% | Working Age |
| 50-54 | 1,663,437 | 6.1% | Working Age |
| 55-59 | 1,610,002 | 5.9% | Working Age |
| 60-64 | 1,529,550 | 5.6% | Working Age |
| 65-69 | 1,425,280 | 5.2% | Senior |
| 70-74 | 1,231,346 | 4.5% | Senior |
| 75-79 | 1,045,352 | 3.8% | Senior |
| 80-84 | 695,555 | 2.6% | Senior |
| 85-89 | 396,486 | 1.5% | Senior |
| 90-94 | 176,254 | 0.6% | Senior |
| 95-99 | 50,725 | 0.2% | Senior |
| 100+ | 6,709 | 0.0% | Senior |
Demographic Transition Model (DTM) Stage
Stage 4 (low birth and death rates): fertility is below the replacement level of 2.1 (1.64 children per woman), and births still exceed deaths (11.1 vs 6.9 per 1,000). Read more about Stage 4 of the Demographic Transition Model.
Fertility Rate & Birth Statistics
Australia Total Fertility Rate: 1.64 children per woman
Below the replacement level of 2.1
Fertility Rate Trends
Historical data (solid line) and future projections (dashed line)
Historical Fertility Trends
| Year | Total Fertility Rate | Birth Rate | Change |
|---|---|---|---|
| 2021 | 1.65 | 11.7 | |
| 2022 | 1.64 | 11.6 | ↓0.01 |
| 2023 | 1.64 | 11.5 | 0.00 |
| 2024 | 1.64 | 11.4 | 0.00 |
| 2025 | 1.64 | 11.3 | 0.00 |
| 2026 | 1.64 | 11.1 | 0.00 |
Global Context
- • World Average: 2.23 children per woman
- • Comparison: Below global average
- • UN projection for 2030: 1.64
Australia's total fertility rate is 1.64 children per woman in 2026 (below replacement), below the replacement level of 2.1. Australia ranks 124 of 194 for fertility rate (1 = highest), in the middle third of countries. The fertility rate has changed by −46.4% since 1950.
Historical Demographic Changes
Between 1950 and 2026, Australia's population has increased by 233.0%.
The median age has increased from 29.4 in 1950 to 38.5 in 2026, indicating population aging.
Understanding Australia's Demographics
Australia has a constrictive population pyramid — a base narrower than the middle, so younger cohorts are smaller than the ones above them.
Children under 15 make up 17.5% of the population and people aged 65 and over 18.5%.
The largest five-year age band is 35–39, at 7.3% of the population, compared with 5.7% in the 0–4 band.
Demographic Analysis: Australia's Population Structure
Demographic Dividend Window
Australia's working-age share peaked in 2008 at 67.5% and is 64.0% in 2026.
Fertility Transition Stage
Australia is in a period of below replacement, with a total fertility rate of 1.64 children per woman (2026, UN WPP 2024).
Population Aging Speed
Australia's median age changed by +2.3 years from 2016 to 2026, slower than the world average (+2.6 years).
Key Demographics
| Total Population | 27,227,096 |
| Male Population | 13,511,184(49.6%) |
| Female Population | 13,715,912(50.4%) |
| Median Age | 38.5 years |
| Sex Ratio | 98.5 males per 100 females |
| Youth (0-14) | 4,769,893(17.5%) |
| Working Age (15-64) | 17,429,496(64.0%) |
| Elderly (65+) | 5,027,707(18.5%) |
| Total Dependency Ratio | 56.2 |
| Youth Dependency Ratio | 27.4 |
| Old Age Dependency Ratio | 28.8 |
| Pyramid Type | Constrictive |
Dependency Ratios: Number of dependents per 100 working-age individuals.
Demographic Data Visualizations
Total population, 1950–2026 (UN WPP 2024; 2024 onward are projections).
Median age, 1950–2026 (UN WPP 2024; 2024 onward are projections).
Youth, working-age and elderly shares, 1950 vs 2026 (UN WPP 2024).
Age distribution in 2026: youth, working-age and elderly shares (UN WPP 2024; projection).
Life Expectancy in Australia
How long the average person in Australia is expected to live · sourced from UN WPP 2024
Historical Trend, 1950 → 2026 (plus UN projection to 2100)
Solid: actual · Dashed: medium-variant projectionFuture Demographic Trends
Australia is projected to grow to 32.5 million people by 2050 (+19.4% from 2026).
The median age rises from 38.5 in 2026 to 42.0 by 2050.
Australia's Demographic Evolution by Decade
The population increased by 16.8%, growing from 12.6 million in 1970 to 14.7 million by 1980
The median age increased by 1.9 years, indicating population aging during this period
The youth population share contracted by 3.5 percentage points
Meanwhile, the elderly population proportion grew by 1.2 percentage points.
Key Demographic Highlights
- • Population changed from 12.6M to 14.7M
- • Growth rate of 16.8% over the decade
- • Median age shifted from 26.5 to 28.4 years (+1.9y)
- • 65+ share changed by +1.2 points; under-15 share by −3.5 points
How Does Australia Compare to Its Neighbors?
Australia has an older population than New Zealand, Indonesia, Papua New Guinea. Australia has a smaller population than Indonesia.
Australia
New Zealand
Indonesia
Papua New Guinea
| Country | Population | Median Age | Youth % | Elderly % | Pyramid Type |
|---|---|---|---|---|---|
| Australia (Current) | 27,227,096 | 38.5 | 17.5% | 18.5% | constrictive |
| New Zealand | 5,287,479 | 38.0 | 17.6% | 18.0% | constrictive |
| Indonesia | 287,886,783 | 30.7 | 23.9% | 7.8% | stationary |
| Papua New Guinea | 10,947,848 | 23.0 | 32.8% | 3.7% | expansive |
Frequently Asked Questions About Australia
How does Australia rank globally by population?
Australia ranks 55th in the world by population with 27.2 million people as of 2026, representing 0.33% of the global total of 8.30 billion.
What does Australia's age structure reveal about its development?
Australia's age structure — 17.5% under 15, 64.0% working-age (15–64) and 18.5% aged 65+ — is that of a country in Stage 4 of the demographic transition, with a constrictive population pyramid. The median age is 38.5 years.
What is the dependency ratio in Australia?
Australia has 56.2 people under 15 or aged 65+ per 100 people aged 15–64 in 2026.
Is Australia experiencing a demographic dividend?
Australia has moved past its demographic-dividend window. Australia's working-age share peaked in 2008 at 67.5% and is 64.0% in 2026. The demographic dividend occurs when falling fertility creates a bulge in the working-age population while dependency ratios stay manageable.
What are the gender dynamics in Australia's population?
Australia has more females than males, with 98.5 males per 100 females.
Compare with Other Countries
Data Sources & Methodology
All population data is sourced from the United Nations Department of Economic and Social Affairs, Population Division. The data represents UN medium-variant projections.
Cite this page: Population Pyramids. (2026). Australia Population Pyramid and Demographic Analysis. Retrieved from https://www.populationpyramids.org/australia
View UN World Population Prospects Data →