You can find lots of data on life-expectancy and health broken down by age, race, hispanic origin and much else at tbe National Center for Health Statistics
http://www.cdc.gov/nchs/about.htm after a quick search, however, I couldn't find anything on country of birth, let alone age of immigration per se. Alex -- Dr. Alexander Tabarrok Vice President and Director of Research The Independent Institute 100 Swan Way Oakland, CA, 94621-1428 Tel. 510-632-1366, FAX: 510-568-6040 Email: [EMAIL PROTECTED]
