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Why are some constitutions so much harder to change than others?

A constitution is meant to outlast the government of the day, yet it also needs a way to adapt when society changes. Some countries require supermajorities in parliament, others demand a national referendum, and a few make certain clauses completely unamendable. Designing an amendment rule means balancing stability against the risk of locking future generations into the past.

4–6 min

Questions you could explore

  • What happens when a constitution becomes almost impossible to amend through politics?
  • Why might a country require both parliamentary approval and a public vote?

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Politics and society

How ranked-choice voting turns second choices into winners

Ranked ballots can transfer when a candidate is eliminated; some proportional systems also transfer surplus votes after a candidate is elected. A ranking can therefore matter beyond the first choice. Explore how different counting rules use those preferences, rather than assuming every ranked-choice system follows the same procedure.

5–7 min

How ranked-choice voting turns second choices into winners

Politics and society5–7 minRanked ballots can transfer when a candidate is eliminated; some proportional systems also transfer surplus votes after a candidate is elected. A ranking can therefore matter beyond the first choice. Explore how different counting rules use those preferences, rather than assuming every ranked-choice system follows the same procedure.

Politics and society

How do you select a citizens’ assembly without holding an election?

How could a group of ordinary citizens broadly reflect a country without running for office? Citizens' assemblies can use civic lotteries, or sortition, to invite randomly selected people and then select from volunteers against demographic criteria. The result aims for a cross-section of the population rather than an elected chamber or an unrestricted sign-up list.

4–5 min

How do you select a citizens’ assembly without holding an election?

Politics and society4–5 minHow could a group of ordinary citizens broadly reflect a country without running for office? Citizens' assemblies can use civic lotteries, or sortition, to invite randomly selected people and then select from volunteers against demographic criteria. The result aims for a cross-section of the population rather than an elected chamber or an unrestricted sign-up list.

Politics and society

How two EU institutions agree a law

Under the EU’s ordinary legislative procedure, a proposal must become a text that both the European Parliament and the Council of the European Union accept. The route brings representatives of citizens and national governments into the same law-making process.

4–5 min

How two EU institutions agree a law

Politics and society4–5 minUnder the EU’s ordinary legislative procedure, a proposal must become a text that both the European Parliament and the Council of the European Union accept. The route brings representatives of citizens and national governments into the same law-making process.

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