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Most Expensive Civilian Spacecraft

Most Expensive Civilian Spacecraft
Who
James Webb Space Telescope (JWST)
What
9,500,000,000 US dollar(s)
Where
Not Applicable
When
25 December 2021

The James Webb Space Telescope (JWST) was launched on 25 December 2021 at an estimated cost of approximately $9.5 billion ($11.8 billion inflation-adjusted to 2020 and including the $861 million earmarked for the telescope's first five years of operational costs). Around $8.8 billion came from NASA, $156 million from Canada (CAD $200 million), and $792 million from ESA (€700 million, including the $175 million cost of the Ariane 5 launch vehicle).