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Sortition (representation by lot)

Sortition is the selection of decision-makers by lot — at random — rather than by election. It’s one of the oldest democratic ideas: in ancient Athens, most public offices were filled by lottery, on the principle that ruling and being ruled in turn is what makes a citizenry free. Today it’s the engine of citizens’ assemblies.

It sounds counter-intuitive, but the case is strong:

  • Representativeness. A randomly selected, stratified group actually mirrors the population — unlike elected bodies, which tend to over-represent the wealthy, educated, and well-connected.
  • Equality. Everyone has an equal chance to serve; you don’t need money, connections, or a taste for campaigning. As Hélène Landemore notes, both elections and self-selection skew toward the same advantaged few; the lottery doesn’t.
  • Independence. People chosen by lot owe nothing to donors, parties, or re-election, freeing them to weigh the common good.

Sortition isn’t everyone deciding everything directly — someone still has to sit down and do the hard work of drafting proposals, which can’t be done by millions at once. It’s better understood as representation, just by lot instead of by ballot: a representative subset does the deliberating, ideally with the wider public consulted throughout and key decisions put to a vote. For what an entire legislature built this way could look like — separate randomly selected bodies to set the agenda, draft proposals, and cast the final vote — see multi-body sortition. For the common criticisms of sortition and the answers to them, see objections to sortition.

Sortition didn’t vanish between Athens and the modern revival. Medieval and Renaissance city-states used the lot to fill civic offices and check factional capture. Brussels is a striking case: as the writer Hugh Pope documents, from 1375 the city chose its governing aldermen by lot — eligible patricians drew marked balls from an urn to decide who would represent each lineage — and in 1421 it extended lottery selection to give the city’s 49 craft guilds a share of power. The Italian republics of Venice and Florence ran comparable lottery-and-rotation schemes. Choosing by lot, in other words, is not an untested novelty but a practice with centuries behind it.