Coalition agreement vs Confidence and supply agreement in Politics - What is The Difference?

Last Updated Feb 2, 2025

A confidence and supply agreement ensures a minority party supports a government on key votes like budgets and confidence motions, providing stability without a formal coalition. These agreements help maintain legislative continuity and enable smoother governance by outlining specific terms both parties agree upon. Explore this article to understand how such arrangements impact political dynamics and your governance expectations.

Table of Comparison

Aspect Confidence and Supply Agreement Coalition Agreement
Definition Formal arrangement where a smaller party supports the government on confidence motions and budget votes only. Full partnership where multiple parties share government responsibilities, ministries, and decision-making.
Scope Limited to confidence votes and supply (budget) approvals. Comprehensive cooperation across all government policy areas.
Government Participation Supporting party remains outside the executive government. Parties are part of the executive, holding ministerial positions.
Stability Can provide minority government stability without formal coalition. Typically offers stronger, stable governance through shared power.
Policy Influence Supporting party influences budget and confidence-related policies. Joint decision-making shapes broad policy agendas.
Examples UK Conservative Party and the Democratic Unionist Party (2017) German CDU-CSU and SPD coalition governments

Introduction: Understanding Parliamentary Agreements

Confidence and supply agreements ensure government stability by securing support from smaller parties on budget votes and motions of confidence without forming a full coalition. Coalition agreements establish formal partnerships between multiple parties that share power, policy commitments, and ministerial roles. Both types of parliamentary agreements are essential for maintaining governance in hung parliaments and minority governments.

What is a Confidence and Supply Agreement?

A Confidence and Supply Agreement is a formal arrangement between a minority government and one or more opposition parties to secure support on key votes, such as budget approvals and motions of confidence, ensuring governmental stability without forming a full coalition. Unlike a Coalition Agreement, it does not involve sharing ministerial positions or a complete integration of parties but focuses on specific legislative cooperation. This agreement is crucial in parliamentary systems where no single party holds a majority, enabling governance while maintaining party independence.

Defining Coalition Agreements

Coalition agreements are formal arrangements between two or more political parties to form a government by sharing executive powers and responsibilities, ensuring collective decision-making and policy coordination. These agreements typically outline the distribution of ministerial positions, joint policy platforms, and mechanisms for conflict resolution among coalition partners. Unlike confidence and supply agreements, which provide support on key votes without sharing executive roles, coalition agreements establish a more integrated and stable governing partnership.

Structure and Legal Framework

A Confidence and Supply Agreement typically involves a formal arrangement where a minority party agrees to support the government in key votes, ensuring stability without forming a full coalition, and is often structured through negotiated contracts subject to specific parliamentary procedures rather than extensive legal codification. In contrast, a Coalition Agreement constitutes a comprehensive, often detailed pact between two or more parties to form a joint government, outlining shared policy goals, ministerial distribution, and decision-making processes within a defined legal framework that may be constitutionally recognized. The legal framework governing Confidence and Supply Agreements is generally less binding and more flexible, relying on political conventions, whereas Coalition Agreements are embedded in more structured, enforceable political and legal mechanisms.

Key Differences Between Confidence and Supply and Coalition

Confidence and supply agreements ensure government stability by securing support for key budget and confidence votes without formal coalition membership, limiting partners' influence on wider policy decisions. Coalition agreements involve multiple parties sharing executive power, jointly setting policy agendas, and participating in cabinet roles, creating a more integrated and collaborative government structure. The primary difference lies in the level of commitment and policy integration, with coalitions offering shared governance versus confidence and supply focusing on conditional external support.

Political Implications and Power Sharing

Confidence and supply agreements allow minority governments to secure legislative support on budget and confidence votes without formal power-sharing, preserving flexibility but offering limited influence to supporting parties. Coalition agreements create formal power-sharing arrangements where multiple parties jointly govern, leading to negotiated policy compromises and shared ministerial responsibilities that enhance political stability. Both frameworks shape political dynamics by balancing government functionality and opposition roles, but coalitions provide deeper integration and policy influence for partners compared to confidence and supply pacts.

Case Studies: Global Examples

The Confidence and Supply Agreement in the UK following the 2017 General Election allowed the Conservative Party to govern with the support of the Democratic Unionist Party, ensuring stability without a formal coalition. In New Zealand, the Labour Party's Confidence and Supply Agreement with New Zealand First after the 2017 election provided a framework for minority government functioning while maintaining party independence. Contrastingly, the German federal government often forms coalition agreements, such as the CDU/CSU and SPD alliance after the 2013 election, establishing detailed shared policy platforms and cabinet positions for a formal coalition government.

Advantages and Disadvantages

A Confidence and Supply Agreement secures government stability by ensuring legislative support on key votes without forming a formal coalition, allowing participating parties to maintain independence while enabling smoother governance. However, it may lead to limited influence for supporting parties and potential instability if agreements break down. In contrast, a Coalition Agreement involves shared governance and power distribution, fostering greater policy cohesion and accountability but risking conflicts among coalition partners and slower decision-making processes.

Impact on Policy Making

Confidence and supply agreements ensure government stability by securing support from smaller parties on budget votes and confidence motions, enabling smoother policy implementation without forming a full coalition. Coalition agreements involve formal power-sharing arrangements, creating unified policy platforms and joint decision-making bodies that promote coherent, collaborative governance. The impact on policymaking differs as confidence and supply agreements offer limited influence to supporting parties, while coalitions result in comprehensive policy integration reflecting multiple party agendas.

Conclusion: Choosing the Right Agreement

Selecting the appropriate agreement depends on the political context and legislative goals; confidence and supply agreements ensure government stability by securing support on budget and confidence votes without formal coalition membership. Coalition agreements involve sharing cabinet positions and joint policy commitments, creating a more integrated partnership between parties. Evaluating factors like desired influence, policy alignment, and duration helps determine whether a confidence and supply or coalition agreement best suits the governing strategy.

Confidence and supply agreement Infographic

Coalition agreement vs Confidence and supply agreement in Politics - What is The Difference?


About the author. JK Torgesen is a seasoned author renowned for distilling complex and trending concepts into clear, accessible language for readers of all backgrounds. With years of experience as a writer and educator, Torgesen has developed a reputation for making challenging topics understandable and engaging.

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