How many stars are there in america's flag?

there are 50 stars on the flag because each star represents a state (ex: alabama, arizona, california, etc ...)

There are 50 stars in the United States Flag. These stars are placed inside the blue rectangle situated on the upper left-hand corner of the flag - when facing the flag. They are white so stand out against the blue background. The stars are arranged in nine rows; six-star rows alternating with five-star rows. Each star represents one of the states in the USA. There are fifty stars, therefore, there are fifty states in the United States of America.