The 2022 elections saw the second-highest midterm voter turnout since 2002, according to data compiled by the United States Election Project. The turnout rate in 2022 was 46.8%. Since 2002, the highest midterm turnout rate was in 2018, at 50.3%, and the lowest was in 2014, at 36.7%.

At the state level, Oregon had the highest voter turnout in 2022, at 61.51%. Tennessee had the lowest turnout, at 31.34%. See the chart below for turnout rates in each state.