Us Inflation Rate 2024 Chart By Month. Core consumer prices in the united states increased 3.30 percent in september of 2024 over the same month in the previous year. This means that cpi rose by 2.4% over the past 12 months before seasonal adjustment.

Inflation rate for 2020 was 1.23% , a 0.58%. The annual inflation rate in the us likely slowed for a sixth consecutive month to 2.3% in september 2024, which would be the lowest since february 2021, from 2.5% in august.