Definition
The phenomenon where incumbents gradually lose power due to retirement, scandal, or death—the only thing that consistently reduces their overwhelming advantages.
Example Usage
Incumbent attrition created three open seats in the legislature.
Origin
Compound term from electoral analysis studies, 'attrition' from military terminology meaning gradual reduction
Fun Fact
Open seat races are dramatically more competitive than races against incumbents
Source: Electoral analysis literature
Related Terms
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See “Incumbent Attrition” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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