Aerospace · Projected milestone
100,000 people on Mars
Estimated year~2085
2% by 2090 · including earlier years
The year is an editorial timing estimate. The percentage applies to occurrence by the stated deadline. These estimates are not calibrated odds.
Mars settlements grow to the size of a small city.
Explore this milestone on the interactive mapWhat the forecast means
Milestone stage: milestone (legacy definition)
Completion criteria: Legacy milestone: refine the observable threshold before resolving.
This page describes a forecast, rather than an achieved result. Read the methodology and assumptions.
Built on
Led to
- Family Mars roverForecast · ~2087enables
- First child born on MarsForecast · ~2088enables
- Mars water networkForecast · ~2088enables
- Interplanetary gamesForecast · ~2090enables
- Universities on MarsForecast · ~2090enables
- Artificial magnetic shield for MarsForecast · ~2092enables
- Fusion power on MarsForecast · ~2093enables
- Asteroid citiesForecast · ~2094enables
- Mars highwaysForecast · ~2094enables
- First forests on MarsForecast · ~2095enables
- Mars family homesForecast · ~2097enables
- A million people in spaceForecast · ~2099enables
Sources & evidence
No individual source links are recorded for this milestone. Source coverage and review status vary across the atlas.
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.