United States - Shares of gross domestic product: Gross private domestic investment was 18.10% in January of 2024, according to the United States Federal Reserve. Historically, United States - Shares of gross domestic product: Gross private domestic investment reached a record high of 20.50 in January of 1979 and a record low of 3.10 in January of 1932. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Shares of gross domestic product: Gross private domestic investment - last updated from the United States Federal Reserve on June of 2026.