How minority governments survive by trading policy influence for essential legislative support
In short: In parliamentary systems, a government without a majority is fragile. To stay in power, it often strikes a confidence and supply deal: smaller parties promise to back the government on budget votes and motions of no confidence, while remaining free to oppose them on almost everything else.
At its core, a confidence and supply agreement is a survival pact. A minority government needs the legislature to pass an annual budget—the supply—and to maintain the support of the house—the confidence. If either fails, the government typically collapses, forcing a resignation or a new election. By securing these specific commitments from opposition parties or independent members, a government gains the stability to function without the formal, rigid constraints of a full coalition.
Unlike a coalition, where junior partners hold cabinet seats and are bound to support the government's entire legislative agenda, confidence and supply partners retain their independence. They can vote against the government on any issue not explicitly covered by their agreement. This arrangement allows for diverse political configurations, such as the 1976 'historic compromise' in Italy, where the Communist Party agreed not to vote against a Christian Democratic cabinet, or the 2022 Canadian deal where the NDP supported the Liberal government in exchange for progress on specific policy priorities like dental care.
The practice is common in systems using proportional representation, such as New Zealand, where the Cabinet Manual codifies the formation process. However, it can also emerge in unexpected contexts. In 2025, Thailand saw an 'unlikely alliance' between the progressive People's Party and the conservative Bhumjaithai Party. Driven by constitutional constraints that restricted prime ministerial candidates, the parties formed a temporary pact that collapsed within months. Whether in stable democracies or volatile political climates, these agreements highlight the delicate trade-offs between maintaining executive power and preserving party identity in a hung parliament.
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- Summary by Intellect · source: Confidence and supply
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