United States - Gross Domestic Product: Implicit Price Deflator was 4.20000 % Chg. from Preceding Period in January of 2021, according to the United States Federal Reserve. Historically, United States - Gross Domestic Product: Implicit Price Deflator reached a record high of 12.90000 in January of 1946 and a record low of -11.70000 in January of 1932. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Gross Domestic Product: Implicit Price Deflator - last updated from the United States Federal Reserve on March of 2024.