Q: How many people have a birthday on the same day?

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EVERYBODY in the US has the same birthday as someone else in the US. The converse would be that someone in the US has his/her own birthday and nobody else in the entire population of 300,000,000 people in the US was born on that day.

Some people call that your golden birthday.

The probability of two people's birthday being the same is actually more likely than many would think. The key thing is to note that it doesn't matter what the first person's birthday is. All we need to work out is the probability that the second person has a birthday on any specific day. This probability is 1/365.25 The probability that they were born on June 10th is 1/365.25. The probability that they were born on February 2nd is 1/365.25 and the probability that they were born on the same day as you is 1/365.25

On average every day there are 1.9 million people celebrating their birthday. That is the total global population (7 billion) divided by the number of days in a year (365).

No 12 year olds have a birthday every day. They only have a birthday once a year.

Related questions

uhh, alot?

EVERYBODY in the US has the same birthday as someone else in the US. The converse would be that someone in the US has his/her own birthday and nobody else in the entire population of 300,000,000 people in the US was born on that day.

Based on a population of about 1,210,200,000, and assuming about the same number of people are born each day, more than 3.3 million people in India alone have a birthday each day.

Some people call that your golden birthday.

Let's see. Given the fact that a baby is born every 3 seconds, and there are 86,400 seconds in a day, we divide that and we get 28,800. So 28,800 people in the world share the same birthday as you do :)

All the people born on the same day of the year as you.

They share a birthday, but not a birth date.

to much

My aunty..

Ariana Grande's birthday is on the same day as Jennette McCurdy's.

A golden birthday is when a person turns the same age as the date of their birthday. For example, a person turns twelve on the twelfth of the month. The people that have not had a golden birthday are people that did not live long enough to see this day come.

Birthday guru Ghasidas Baba Jayanti, who would be important to Hindus. It is the birthday of many people. It is one week before Christmas Day.