if you mean they die the same day and month in different year, the answer is:
1/365= 0.27%
One! Why do people write such silly questions?
1,556,232,100 people are born on a leap year!
Millions around the world.
ONE! you can only be born once a year!
One
5
10/1 per year.
367 people (not forgetting leap year) unless the participants are chosen based on their birthday.
The average European people have up to 70-80 birthdays!!!!
An average person will have one birthday per year.
No one has to have their birthday in August. Most people don't, considering August is one out of 12 months of the year. They have their birthdays whenever they are born, which in most cases, is never as predicted.
About 18 million worldwide.