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# how do you create percentages and numbers out of population?

how do you create percentage or numbers of certain group in a country? for instance

Gays in U.S. are 10% and U.S. Population is 400 Million how to divide the percentage and get the number in million for gays? if Gays were 10 million how much percentages do they constitute out of 400 million americans?

### 1 Answer

- ?Lv 49 years agoFavorite Answer
If 10% of a population of 400million you would multiply the population by 0.1

So 400million = 400,000,000 * 0.1 = 40,000,000 or 40million

If 10million of the population were gay

It is (10,000,000 ÷ 400,000,000) * 100

So 0.025 * 100 = 2.5%