Peter J. Roskam
FormerRepublican · IL-6 · U.S. House
No longer in office — profile reflects their service in the 114th–119th Congresses (2015–present).
Overall lean (DW-NOMINATE)
Issue profile
Each issue runs left ↔ right, scored from how the member voted on bills tagged to that issue (−1…+1). Issues with too few votes are blank. Overall lean uses DW-NOMINATE.
How they score against the parties
Peter J. Roskam's voting record compared with each party's national platform, issue by issue — the same similarity score used across the site.
On the political map
Peter J. Roskam (the large ringed dot) among every current member of Congress and the party platforms.
Each small dot is a current member (Dem · Rep); the larger dots are party platforms — click one for its closest members. Economic axis: taxes, healthcare, labor, energy. Social axis: abortion, guns, immigration, civil rights, crime.
Do you vote like Roskam?
Answer a few questions on the issues and see which members of Congress — and which party — actually line up with you.
Most and least aligned members
Treating Roskam's 14 issue scores as a vector, cosine similarity measures whether two voting records point the same way (+100%) or in opposite directions (−100%) — the colleagues whose records align most and least with theirs.
