Details: Bureau of Labor Statistics, 2020 Adjustments

BLS made a large adjustment to Population and Employment in Jan. 2020.

Month, Year Employment to Pop 25-54 Employment to Pop 25-54 (Since 1999)
December 2019 80.52% 62.55%
January 2020 80.20% 55.73%

21st Century Working-age Employment Rate ()

US Population growth vs. Employment growth (age: 25 to 54)

Growth since end of year 1999
Population =
Employment = ()

The delta (deficit) between known full employment (81.48% in 1999) and the current rate () is jobs.
The seasonally adjusted employment to population ratio (Employment Rate) was 81.48% in 1999.
Chart depicts growth in employment and population for the 21st century (age: 25 to 54).

Why are we using the 25 to 54 age group?