# Banzhaf power index

> English word · Noun

## Definitions
1. An index defined by the probability of changing an outcome of a vote where voting rights are not necessarily equally divided among the voters or shareholders.

## Etymology
Named after John F. Banzhaf III.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/banzhaf-power-index