United States - Shares of gross domestic product: Gross private domestic investment was 17.80% in October of 2023, according to the United States Federal Reserve. Historically, United States - Shares of gross domestic product: Gross private domestic investment reached a record high of 21.40 in October of 1950 and a record low of 12.70 in July of 2009. 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 May of 2024.