the least popular month is february because it has the least amount of days.
The least popular birth month is March.
September and february
The least common birthday month is February, due to it being the shortest month and not having as many days for birthdates to occur.
December
January
A survey showed that JULY 19TH was the most popular birth date in the U.K. However I do not know what the least popular date is...
January...absolutely horrible
when is your birthday? there's your answer...
April and December are usually the most popular, at least when visiting Mexico.
The month in which you were born is your birthday month
The least popular birthday in the world would be on February 29 because it is on leap year and leap year comes evry 4 years so February 29 only exists one day every 4 years so it would probly be the least popular.
March and February is the least populated month and that is true and the populated month is october and May and December :0