Americans remain deeply divided about the events of Jan. 6, 2021, and the ongoing congressional investigation into what happened.

The complexity of the overall system, varying rules on how and when you can vote, and whether the candidate you support wins or loses all impact trust in the election process.

A year later, here’s a look back at how Americans saw the events of Jan. 6 and how some partisan divisions grew wider over time.

As 2021 draws to a close, here are some of Pew Research Center’s most striking research findings from the past year.

The 2020 election featured dramatic increases in lawmaker posts and audience engagement, but less overlap in the sources shared by members of each party.

There is a wide partisan split on the fairness of the House committee’s probe.

Among White Americans, worship service attendance remains highly correlated with presidential vote choice.

Here, we discuss the findings of a comprehensive report about the polling errors of 2020 and their implications for polling.

Among churches that posted their sermons, homilies or worship services online between Aug. 31 and Nov. 8, 2020, two-thirds posted at least one message from the pulpit mentioning the election. But discussion varied considerably among the four major Christian groups included in this analysis.

A new analysis of 2020 validated voters examines change and continuity in the electorate, both of which contributed to Joe Biden’s victory. It looks at how new voters and voters who turned out in either 2016, 2018 or both voted in the 2020 presidential election, and offers a detailed portrait of the demographic composition of the 2020 electorate.