The annual inflation rate in the US accelerated to 7.5% in January of 2022, the highest since February of 1982 and well above market forecasts of 7.3%, as soaring energy costs, labour shortages, and supply disruptions coupled with strong demand. Energy remained the biggest contributor (27% vs 29.3% in December), with gasoline prices surging 40% (49.6% in December). Inflation accelerated for shelter (4.4% vs 4.1%); food (7% vs 6.3%), namely food at home (7.4% vs 6.5%); new vehicles (12.2% vs 11.8%); used cars and trucks (40.5% vs 37.3%); and medical care services (2.7% vs 2.5%). Excluding volatile energy and food categories, the CPI rose 6%, the most since August of 1982. The January figure includes changes in seasonal adjustment factors with the bigger weight given to used cars and trucks