What a Referendum Is and Who Can Call One in U.S. States

A referendum in U.S. states is a direct vote by citizens on a specific legislative or policy issue, and it can typically be called either by state legislatures or through citizen-initiated petitions, depending on the state’s laws. The rules governing who can call a referendum and the conditions under which it happens vary widely across the country.

Understanding what a referendum is and who holds the authority to initiate one is essential for grasping how direct democracy functions at the state level. Unlike federal elections, referendums allow voters to bypass elected representatives and have a direct say on laws or constitutional amendments. This process can empower citizens but also raises questions about the balance of power in state governments.

This article explores the mechanisms behind referendums in various U.S. states, detailing the differences in who can call them and how they influence state policy. By examining these variations, readers can better appreciate the complexities of state-level democracy and the tools available for public participation in governance.

• 5% Signature threshold of last gubernatorial vote for California state initiatives
• 639,000 signatures 10% threshold for Michigan veto referendum petition
• 15% Signature requirement for local referendums in Oregon cities
• $150 million Estimated campaign spending on California ballot measures in 2026
• 55% Supermajority required for school bond approval in Texas

What is a referendum and how does it function in state and local governments?

Definition and Scope

A referendum is a direct vote by the electorate on a specific legislative measure or policy question, enabling voters to approve or reject laws or government actions without legislative intermediaries. All 50 U.S. states permit some form of referendum or ballot measure, but the rules vary significantly. For example, California allows voter-initiated referendums if petitioners gather signatures totaling at least 5% of the votes cast in the last gubernatorial election. Some states limit referendums to legislatively referred measures, while others allow broad citizen initiatives. The thresholds for qualifying a referendum for the ballot can differ widely, ranging from 5% to 15% of prior relevant election turnout, depending on state law.

Examples of Referendum Topics

Local governments frequently use referendums to decide on issues such as bond measures, zoning changes, or local tax increases. For instance, a city might hold a referendum on a $50 million school bond proposal, requiring voter approval before issuing debt. Similarly, referendums on local tax hikes often require a simple majority vote to take effect. In some states, referendums can also address social policies or constitutional amendments, while others restrict the scope to fiscal or administrative matters.

• California requires 5% of last gubernatorial vote signatures for ballot qualification of initiatives.
• Local bond measures often involve multi-million-dollar projects needing voter approval.
• Referendums can cover zoning changes or tax increases at the municipal level.

Who has the authority to initiate a referendum at the state level?

Legislative Referral

State legislatures hold primary authority to initiate referendums by placing measures on the ballot, commonly called legislative referrals. These referrals usually arise from bills passed by the legislature and require no additional signatures. This process is the most straightforward method for a state to call a referendum, as it depends solely on legislative action rather than popular petition.

Citizen Initiatives and Veto Referendums

Citizen initiatives allow voters to propose new laws or constitutional amendments by gathering a required number of signatures. For example, Colorado mandates petitioners collect valid signatures equal to 5% of voters in each congressional district, which totaled about 124,632 valid signatures for the 2026 ballot measures. Veto referendums, which enable citizens to repeal recently enacted laws, exist in states like Michigan. There, petitioners must submit signatures from 10% of the voters in the last gubernatorial election, approximately 639,000 signatures, to trigger such a referendum.

• Colorado citizen initiative threshold: 5% of voters per congressional district, about 124,632 signatures for 2026
• Michigan veto referendum threshold: 10% of last gubernatorial vote, roughly 639,000 signatures
• Legislative referral: placed by state legislatures without signature requirements

Governors and other executives rarely possess direct authority to initiate referendums but can influence the legislative process to call them. Thus, the primary routes remain legislative referrals, citizen initiatives, and veto referendums, varying significantly by state law and signature thresholds.

How do local governments handle referendum processes and who can call them?

Local Legislative Referral

Local governments typically manage referendum processes by having elected bodies like city councils or county boards place measures on the ballot. For example, in Texas, school district bond issues require voter approval with a 55% supermajority to authorize the issuance of debt. These referendums often address fiscal matters such as school funding or infrastructure projects, where local legislative referral ensures oversight and formal consideration before voter involvement.

Citizen Petitions at Local Level

Citizens can also initiate referendums through petition drives, subject to specific thresholds and procedural rules. In Oregon cities, for instance, a petition must gather signatures from at least 15% of registered voters within 90 days to qualify for the ballot. Some localities further impose filing fees or require notarized petitions to verify authenticity and compliance with rules, adding administrative checks to the citizen-led process.

• Texas school bond referendums require a 55% voter supermajority for approval.
• Oregon city referendum petitions must collect signatures from 15% of registered voters within 90 days.
• Many localities mandate notarized signatures on petitions to ensure validity.
• Filing fees may be required to submit a referendum petition in certain jurisdictions.

What are common limitations or challenges in the referendum process?

Thresholds and Legal Barriers

Common challenges in the referendum process include high signature thresholds and legal obstacles that can prevent measures from reaching the ballot. For example, California requires over 900,000 valid signatures for statewide initiatives as of 2026, a substantial hurdle that limits citizen-driven proposals. Additionally, many states impose legal restrictions on certain topics; Florida prohibits constitutional amendments that would raise taxes, effectively barring referendum consideration of tax increases or budgetary matters. Legal challenges often arise during the process, delaying or blocking referendums on grounds such as constitutionality or procedural errors, complicating efforts to place measures before voters.

Voter Engagement Challenges

Another significant limitation is voter engagement issues, notably ballot fatigue. When voters face an excessive number of ballot questions, their attention to each measure diminishes, increasing roll-off rates where voters skip some items entirely. In some states, the average number of ballot questions exceeds 10 per election, leading to reduced informed participation. This overload can weaken the effectiveness of referendums as a tool for direct democracy by diluting voter focus and decision-making quality.

• California signature threshold: 900,000 valid signatures (2026)
• Florida referendum restriction: no constitutional amendments raising taxes
• Average ballot questions per election in some states: over 10

How do referendums impact direct democracy and policy making?

Direct Legislative Power

Referendums allow voters to bypass state legislatures and directly enact or repeal laws, significantly shaping policy outside traditional representative channels. States like Arizona and Oregon utilize this tool extensively, enabling citizens to vote on a wide range of issues without legislative approval. This direct approach serves as a democratic check on elected officials but can also reduce complex policy debates to simplified yes-or-no choices.

Policy and Fiscal Effects

Referendums often have substantial policy and budgetary consequences. For example, California’s Proposition 98, passed in 1988, legally guarantees minimum funding levels for K-14 education, requiring a significant portion of the state budget to be allocated annually. Campaign spending for referendums can reach tens or hundreds of millions of dollars; in 2026, California ballot measures attracted over $150 million in combined spending from supporters and opponents. This financial scale illustrates the high stakes and influence of referendum campaigns on public policy and fiscal priorities.

• Arizona and Oregon: Frequent use of referendums for direct lawmaking
• California Proposition 98 (1988): Mandates minimum K-14 education funding
• 2026 California ballot campaigns: Over $150 million in combined spending

Frequently asked questions

Key takeaways

• Referendums allow direct voter decision-making on specific laws or policies.
• State legislatures and citizens through petitions are primary initiators of referendums.
• Signature thresholds and legal restrictions shape referendum viability.
• Local referendums often focus on bonds, taxes, and zoning decisions.
• Referendums can significantly influence state policy and budgets.