How many people have a birthday of February 29?

Answer 1

According to the estimated population of the United States based on the true population in the 2010 census, as of today, March 7, 2011, there is 310,946,861 people. Taking that number and dividing it by 365 gives you 851,909 people who have any of the regular birth dates on the calendar. If you divide that number by 4, you will get the approximate number of people with birthdays on February 29th, which is 212,977.

Answer 2

Approximately 0.27% of the world's population is born on February 29. This date occurs only once every four years during a leap year.