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Validity of centenarian data in the 1960 Census
1Social Security Administration, USA.
Demography
|February 15, 2011
Summary
US census data overstates the number of genuine centenarians. Analysis suggests far fewer individuals aged 100 and older exist than reported, especially those claiming extreme ages.
Area of Science:
- Demography
- Gerontology
- Population Studies
Background:
- Accurate enumeration of centenarians is crucial for demographic and health research.
- Previous census data has indicated a high number of individuals aged 100 and above.
Purpose of the Study:
- To assess the accuracy of reported centenarian numbers in US censuses.
- To determine the actual prevalence of genuine centenarians compared to census figures.
Main Methods:
- Population projection using life table survival factors to compare census age cohorts.
- Analysis of age distributions between full count and sample data in the 1960 census.
- Examination of centenarian data from social security benefit rolls.
Main Results:
- Census figures for centenarians are significant overstatements.
- Projected populations align with enumerated populations below age 95, but diverge significantly at ages 95 and above.
- Data on social security beneficiaries currently lacks substantial accuracy for genuine centenarians.
Conclusions:
- The number of true centenarians in the US is considerably lower than census reports suggest.
- Age overstatement is particularly prevalent among those claiming to be 110 or older.
- Future social security data may offer more accurate insights into centenarian populations.
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