How many stars are there in the universe?
There are 200 billion stars in our Galaxy milky way..
Our idea about the universe is not fully correct. So we estimate that there are200 billion galaxies with each with 200 billion stars.Recent estimates of the number of galaxies in the observable universe range from 200 billion (2×1011) to 2 trillion (2×1012) or more, containing more stars than all the grains of sand on planet Earth.
part answer from wikipedia.