This 2020 edition of our annual report provides size data in both nominal and real dollars for the United States heritage compliance sector from 1971 through 2019. The 12-page report includes summary statistics, a breakdown by geographic region, graphs, and a data table with annual dollar amounts and annual rates of change. New in this year’s report is a breakdown by client industry and notes throughout the report to make understanding data easier for readers. An annual growth forecast is provided for the next five years (through 2024).