Duverger's Law
Version 1.0.0 · Updated 2026-07-28
CORE DEFINITION
In political science, Duverger's law ( DOO-vər-zhay) holds that in political systems with single-member districts and the first-past-the-post voting system, as in, for example, the United States and United Kingdom, only two powerful political parties tend to control power every election cycle. Citizens do not vote for small parties because they fear splitting votes away from the major party and al
SCAFFOLDING EFFECT
Reduce cognitive load
In political science, Duverger's law ( DOO-vər-zhay) holds that in political systems with single-member districts and the first-past-the-post voting system, as in, for example, the United States and U
Anchor fast decisions
In political science, single-member districts with plurality voting tend to produce a two-party system, while proportional representation tends to produce a multi-party system—electoral systems shape party configurations.
MINIMUM ACTION
In progress 0/3Practice this model in one real situation:
account_treeGenealogyexpand_more
menu_bookReferencesexpand_more
Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Duverger%27s_lawverified
PRIVATE NOTES · Only visible to you
SAVED Q&A
ENTRY Q&A · Private saving available
Ask with a clear boundary
thinkingmodels answers from published entry context only.
Your question is sent to thinkingmodels. The answer uses public entry context only.
RELATED MODELS