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Number of Years in a Generation

How many years are there in a generation?

25.2 years.

A generation, in its familial sense, refers to the average time between a mother’™s first child and her daughter’™s first child, or equivalent to the average age of first-time mothers. In the United States a familial generation lasts on average for about 25.2 years in 2007, based on data from the US Census Bureau.

This fact is verified on : February 7, 2010.

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