Our 2025 population forecast for Northern Territory, and the starting point for the forecasts of its 2 regions.
248,151
Population, 2021
278,066
Population, 2046
+29,915
Total growth to 2046
0.3%
Share of national growth
+13,261
Additional dwellings
17.9%
Aged 65 and over, 2046
2
Regions forecast individually
| Age group | 2021 | 2046 | Change, percentage points |
|---|---|---|---|
| Aged 0–14 | 21.2% | 17.2% | −4.0 |
| Aged 15–64 | 70.1% | 64.9% | −5.2 |
| Aged 65 and over | 8.7% | 17.9% | +9.2 |
Our 2025 forecast, by year (at 30 June).
Source: Informed Decisions, National Forecasting Program, 2025 forecast. 2021 to 2024 are ABS estimated resident population.
| Year | Our forecast |
|---|---|
| 2021 | 0.25m |
| 2026 | 0.26m |
| 2031 | 0.27m |
| 2036 | 0.27m |
| 2041 | 0.28m |
| 2046 | 0.28m |
Download the full series (CSV)
Informed Decisions, National Forecasting Program, 2025 forecast
Northern Territory's share of national growth is set from the national drivers. How it is distributed inside Northern Territory is built from development assessed on the ground, region by region.
Different things drive population change at different scales. We form a view at each level, and each level constrains the one below it.
| Component | 2021 to 2046 |
|---|---|
| Births | +80,276 |
| Deaths | −45,959 |
| Natural increase | +34,317 |
| Net overseas migration | +51,767 |
| Net interstate migration | −56,169 |
| Total change | +29,915 |
| Region | Population, 2021 | Population, 2046 | Growth to 2046 | Version |
|---|---|---|---|---|
| Darwin | 148,801 | 191,740 | +42,939 | 2021.2021.3.1.2 · Jul 2023 |
| Northern Territory – Outback | 100,399 | 110,939 | +10,540 | 2021.2021.3.1.2 · Jul 2023 |

Our forecasts are not commissioned by any government, so they give an independent view.

Forecast at small-area level, so they can be built up into any catchment you need, such as a school catchment, a retail trade area or a utility service area.

A single national model, not a collection of unconnected local studies.

Built on a national development sites layer maintained by our own forecasters.
organisations across Australia trust Informed Decisions for data and insights
suburbs forecast, covering every part of Australia
Questions about a forecast go to the team who prepared it.
Placemaker is our mapping and reporting platform for population, housing and development. Draw any catchment in Northern Territory and get the forecast for it, by single year, with age and sex detail and the development pipeline behind it.