Mapping & Earth Observation · Projected milestone

Live 3D twin of every big city

Estimated year~2035

54% by 2040 · 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.

Every large city keeps a live 3D model of buildings, traffic, pipes and trees, updated from sensors and used to plan and run the city.

What 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.

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.