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Russia has sponsored* 3,543 spacecrafts, that is 52% of all spacecrafts launched between 1957 and 2009.
United States has sponsored 1,811 spacecrafts, which represents 26 % of all.
Europe has sponsored 318 spacecrafts (4½ %).
Japan has sponsored 125 spacecrafts (2 %).
China has sponsored 131 spacecrafts (2 %).
India has sponsored 55 spacecrafts (0.8 %).
Canada has sponsored 34 spacecrafts (0.5 %).
Israel has sponsored 12 spacecrafts (0.1 %).
Other governments has sponsored 133 spacecrafts (2 %).
    There are also 580 commercial spacecrafts (8½ %) and 122 amateur/student-build spacecrafts (1½ %).

(See Table 3 - Spacecrafts Sponsors.)
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* We use the word “sponsored” – instead of “launched” – because we count who own a spacecraft, not who launch it. For example, Canada has sponsored 34 satellites, but had launched none. There are also some American, Russian, European, etc. spacecrafts that were launched by other than themselve.
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© Claude Lafleur, 2004-10 Mes sites web: claudelafleur.qc.ca