Federal Government – Includes data for the civilian employees of the Federal Government by government function

State Government – Includes data from the 50 state governments only by government function.

Local Government – Includes data for all local governments (i.e., counties, municipalities, townships, special districts, and school districts) by government function.

State & Local Government – Includes combined data for all 50 state governments and all local governments (i.e., counties, municipalities, townships, special districts, and school districts) by government function.