United States - Research Consumer Price Index: All Items was 340.74300 Index 1982=100 in March of 2024, according to the United States Federal Reserve. Historically, United States - Research Consumer Price Index: All Items reached a record high of 340.74300 in March of 2024 and a record low of 100.00000 in December of 1982. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Research Consumer Price Index: All Items - last updated from the United States Federal Reserve on April of 2024.