United States - Effective Federal Funds Rate: 1st Percentile was 5.31% in April of 2024, according to the United States Federal Reserve. Historically, United States - Effective Federal Funds Rate: 1st Percentile reached a record high of 5.31 in December of 2023 and a record low of 0.01 in March of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Effective Federal Funds Rate: 1st Percentile - last updated from the United States Federal Reserve on April of 2024.