science & techanalysisOur World in Data2025

A record 4,510 objects were launched into space in 2025, far above the previous peak

the gist

In 2025, 4,510 objects were launched into space, well above the previous record of 2,903 set in 2023. Most of these are satellites, often launched in large batches to build constellations that provide internet and Earth observation. Launch costs have fallen as reusable rockets have become routine, which makes it cheaper to put many small satellites into orbit. The surge brings benefits such as global communications and weather monitoring, but also raises the risk of collisions and orbital debris. Space agencies and companies now track these objects closely to avoid crashes in crowded orbits.

how it works

Reusable rockets lower the cost of each launch, so operators can send satellites in large batches. Those satellites form constellations in low Earth orbit, which spread coverage across the planet. Each one must be tracked and manoeuvred, because collisions create debris that can damage other spacecraft.

so what

More launches mean satellite internet and navigation are becoming part of everyday life, but also that orbits are getting more crowded. Managing traffic in space is becoming as important as building the rockets.

Our World in Data · CC BY 4.0

Image: Our World in Data, CC BY 4.0