United States - Diffusion Indexes of Industrial Production: Diffusion Index of Industrial Production, One Month Earlier was 54.21% in June of 2025, according to the United States Federal Reserve. Historically, United States - Diffusion Indexes of Industrial Production: Diffusion Index of Industrial Production, One Month Earlier reached a record high of 74.47 in February of 1973 and a record low of 11.45 in April of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Diffusion Indexes of Industrial Production: Diffusion Index of Industrial Production, One Month Earlier - last updated from the United States Federal Reserve on September of 2025.