Gregg Harper and Paul D. Ryan are from the same party
and agreed on 96
percent of votes in the 115th Congress (2017-18).
But they didn't always agree.
Out of 26 votes in the 115th Congress, they disagreed on 1 vote, including 1 major vote.
Paul D. Ryan is the Speaker of the House. The Speaker by tradition votes at his discretion, and has missed 97.7% of votes in this Congress.