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What is the one-person, one-vote requirement?

Bar Exam Prep Constitutional Law Voting What is the one-person, one-vote requirement?
🇺🇸 Constitutional Law • Voting CONLAW#078

Legal Definition

One-person, one-vote must be met for all state and local elections, and all districts must be approximately equal in population.

Plain English Explanation

If you've ever noticed that your voting district changes, it's not done arbitrarily. It's a response to this requirement.

The "one person, one vote" rule requires that voting districts at the state and local level have very similar populations. For instance, if a state is divided into legislative districts that each elect one representative, those districts should have the same number of voters in them. This prevents situations where one district has many more or many fewer voters than another, which would make some people's votes count more than others.

The reason for this rule is basic fairness and equality. In a democracy, everyone's vote should have equal weight. If some districts contained far more voters, then the representative from that "overpopulated" district would represent many more constituents. On the other hand, the representative from an "underpopulated" district with far fewer voters would have much less popular influence. This weakens the political power of certain communities based simply on arbitrary district lines. The one person, one vote doctrine makes sure everyone's vote carries equal weight no matter where they live.

Hypothetical

Hypo 1: In Hypofornia, a new districting plan is proposed where one district in a rural area has 30,000 people, while a city district has 300,000 people. Result: This plan violates the one-person, one-vote rule because the rural area's votes would count for much more than those in the city. The plan needs to be redrawn so each district has approximately the same number of people.

Hypo 2: After a census, it's found that the population in Hypofornia's districts has shifted, with some districts gaining people and others losing them. The state decides to redraw the districts so each one has about 100,000 people. Result: By adjusting the districts to have equal populations, Hypofornia adheres to the one-person, one-vote rule, ensuring equal representation for all voters.
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