How many countries have launched astronauts into space?

Answer 1

Only 3 countries have launched a rocket and sent astronauts in to space. The United States, China, and Russia. Many other countries have sent astronauts in to space but they went on rockets belonging to other countries.

Answer 2

If you are referring to space exploration and not military rockets, more than a dozen nations have launched spacecraft into orbit.
India has shot off a total of 75 satellite rockets into space.