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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: combjelly who wrote (358810)	11/16/2007 4:09:44 PM
From: tejek	Respond to of 1586857

Many people say 20 years for a generation.......from 20-40 years is typically when we have children but the definition for men has always been longer so most people think of a generation somewhere between 20-30 with 25 years being a popular compromise. Here's a more scientific explanation: "The 'professional' definition of a generation seems to be 20 years although RelativeGenetics uses 25 years. My own database yields about 26 years for women with a range of from 14 to 50. The male average was from about 18 to 70 with the average being about 31. The time period for my statistics was from about the 1400's to the 1900's. Breaking the statistics down into century-long groups revealed that parents were older on average in the 16-1700's than in the 1900's! (I use 'abouts' because I don't want to bother looking them up right now). archiver.rootsweb.com Allan