Chamber Overview

The Massachusetts House of Representatives, 2018–2026.

Effective Number of Voting Blocs
A healthy two-party system = 2.0. China's NPC ≈ 1.0. The MA House is declining toward 1.0.
Perfect Speaker Alignment
Percentage of reps who voted with the Speaker on every recorded vote that year.
Vote Composition by Year
Year by Year
Year Roll Calls Active Reps Perfect Alignment L-T Index Unanimous Partisan Intra-Majority
2018 211 157 81 (51.6%) 1.514 59.2% 40.3% 0.5%
2019 142 161 84 (52.2%) 1.467 50.0% 49.3% 0.7%
2020 310 160 21 (13.1%) 1.471 45.2% 51.3% 3.5%
2021 121 160 101 (63.1%) 1.438 61.2% 38.8% 0.0%
2022 160 158 56 (35.4%) 1.428 72.5% 26.9% 0.6%
2023 70 160 118 (73.8%) 1.358 60.0% 40.0% 0.0%
2024 133 159 113 (71.1%) 1.393 68.4% 31.6% 0.0%
2025 116 161 126 (78.3%) 1.356 48.3% 51.7% 0.0%
2026 25 153 109 (71.2%) 1.376 24.0% 72.0% 4.0%