Primary elections in New Mexico
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Primary elections allow voters to determine which candidates compete in the general election and can be nonpartisan or partisan. In partisan primaries, voters choose the candidates they prefer for a political party to nominate in the general election.
The laws governing primary elections vary from state to state and can even vary within states by locality and political party. For example, only registered party members are allowed to vote in closed primaries, while registered party members and unaffiliated voters are allowed to vote in semi-closed primaries, and all voters are allowed to vote in open primaries.
Primary elections also vary by the way their outcomes are determined. Majority systems require the winning candidate to receive at least fifty percent of the votes cast, while plurality systems do not. In top-two primaries, top-four primaries, and blanket primaries, all candidates are listed on the same ballot, regardless of partisan affiliation.
See the sections below for general information on the use of primary elections in the United States and specific information on the types of primaries held in New Mexico:
- BackgroundThe different types of primary election participation models used in the United States, and details about methods to determine the outcomes of primaries.
- Primary election systems used in New MexicoPrimary election systems used in New Mexico, including primaries for congressional and state-level offices.
- State legislation and ballot measuresState legislation and ballot measures relevant to primary election policy in New Mexico.
Background
In general, there are two broad criteria by which primary elections can vary from jurisdiction to jurisdiction:
1. Rules of participation: In jurisdictions that conduct partisan primaries, who can vote in a party's primary? Is participation limited to registered party members, or can other eligible voters (such as unaffiliated voters or voters belonging to other parties) participate? In general, there are three basic types of primary election participation models: open primaries, closed primaries, and semi-closed primaries. Several states also use a top-two primary or a variant of that system.
- In closed primaries only registered party members are allowed to vote.
- In semi-closed primaries, registered party members and unaffiliated voters are allowed to vote.
- In open primaries, all voters are allowed to vote.
- In top-two primaries, top-four primaries, and blanket primaries, all candidates are listed on the same ballot, regardless of partisan affiliation and voters may vote for candidates from more than one party.
2. Vote requirements: What share of the total votes cast does a candidate have to receive in order to advance to the general election? Methods for determining primary election outcomes include plurality voting systems ans majority voting systems. Two states, California and Washington, use top-two primaries, while one, Alaska, uses a top-four primary. Both are plurality systems. Maine use ranked-choice voting for some primaries, which is a majority system.
Primary election systems used in New Mexico
Congressional and state-level elections
New Mexico law provides for semi-closed primaries. Only registered party members and unaffiliated voters may participate in a party's primary election (voters affiliated with other political parties cannot participate). Winners in primary contests in New Mexico are determined via plurality vote.[1][2]
In 23 states, at least one political party utilizes closed primaries to nominate partisan candidates for congressional and state-level (e.g. state legislators, governors, etc.) offices. In 19 states, at least one party utilizes open primaries to nominate partisan candidates for these offices. In 12 states, at least one party utilizes semi-closed primaries. In 5 states, top-two primaries or a variation are used.[3] These state primaries are a separate entity and are not included in the totals for open, closed, or semi-closed primaries.
The table below lists New Mexico offices for which parties must conduct primary elections to nominate their candidates.
Office | Number of seats |
---|---|
Governor of New Mexico | 1 |
Public Education Commission | 10 |
Secretary of State | 1 |
State legislators | 112 |
United States Representatives | 3 |
United States Senators | 2 |
Local offices | Varies by municipality |
State legislation and ballot measures
The table below lists bills related to primary elections that have been introduced during (or carried over to) the current legislative session in New Mexico. The following information is included for each bill:
- State
- Bill number
- Official bill name or caption
- Most recent action date
- Legislative status
- Sponsor party
- Topics dealt with by the bill
Bills are organized by most recent action. The table displays up to 100 results. To view more bills, use the arrows in the upper-right corner. Clicking on a bill will open its page on Ballotpedia's Election Administration Legislation Tracker, which includes bill details and a summary.
Primary systems ballot measures
Since 2017, Ballotpedia has tracked no ballot measures relating to primary elections in New Mexico.
Noteworthy events
2019: State supreme court upholds constitutionality of closed primaries
On February 5, 2019, the New Mexico Supreme Court dismissed a challenge to the legality of closed primaries in the state. The initial suit was brought by former attorney general Paul Bardacke (D), who argued that New Mexico's closed primary process serves private organizations (in this case, political parties) in violation of a state law prohibiting the use of public money to benefit private organizations. The state supreme court did not address this argument in its order, which summarily dismissed the challenge.[4]
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See also
External links
Footnotes
- ↑ New Mexico Legislature, "2025 Regular Session - SB 16," accessed June 20, 2025
- ↑ New Mexico One Source, "N.M. Stat. Ann. § 1–12–7," accessed September 4, 2025
- ↑ Top-two primary systems, such as those utilized in California, Nebraska, and Washington, and variations of those systems, such as the top-four system used in Alaska and the majority-vote system used in Louisiana, are sometimes classified as open primary systems because voter participation in such primaries is not tied to partisan affiliation. For the purposes of this article, these primaries are considered to be a separate entity. For more information about top-two primaries and their variations, see this article.
- ↑ Santa Fe New Mexican, "New Mexico Supreme Court: Primaries will stay closed," February 5, 2019