Is President Donald Trump a Democrat or Republican?

Donald Trump’s political affiliation has been a source of debate and confusion for some throughout his public life. Though he ran for president as a Republican and pushes GOP policies, Trump was previously registered as a Democrat and has expressed some views not fully aligned with Republican orthodoxy.

So is Trump truly a Republican or does he still hold Democratic leanings?

Let’s examine Trump’s political evolution and where he stands within America’s partisan landscape today.


On the surface, Donald Trump’s party registration and alliance is clear – he ran for president in 2016 as a Republican, won the Republican nomination and presidency, and continues to enjoy strong approval among GOP voters to this day.

But Trump’s background as a high-profile businessman and celebrity was not overtly partisan for many years. Tracing his changing stances and party registration over five decades reveals a more complex picture of Trump’s place on the political spectrum.

In this post, we’ll analyze key questions around Trump’s partisan identity:

  • What was Trump’s original party affiliation?
  • How long has Trump identified as a Republican?
  • What core Republican principles does Trump align with?
  • In what ways has Trump diverged from typical Republican positions?
  • Does Trump still appeal to any Democratic constituencies?
  • How do Trump’s views compare with past party switches by politicians?

Examining these facets provides perspective on Trump’s evolution into one of the most polarizing Republican figures in recent history after decades without clear partisan allegiance.

Trump’s Early Political Registration and Leanings

For nearly 20 years from the 1980s to early 2000s, Donald Trump was registered as a Democrat in his home state of New York.

Registration History

  • Trump registered as a Republican in Manhattan in 1987.
  • He switched to the Reform Party in 1999 after a presidential exploratory campaign under that third party.
  • In 2001, Trump switched his registration again to Democratic.
  • He remained a Democrat for most of the 2000s, through Barack Obama’s election in 2008.
  • Trump changed his registration to Republican again in 2009. This change stuck through his 2016 campaign and presidency.

Loose Political Associations Before 2000s

Before aligning firmly with either major party, Trump gave donations to both Democrats and Republicans:

  • During George H.W. Bush’s presidency in the early 1990s, Trump donated more to Democrats than Republicans.
  • He contributed to Bill Clinton’s campaign during Clinton’s 1996 re-election bid.
  • Trump also supported Republicans like George Pataki in New York. His donations skewed toward New York figures in both parties.

Reform Party Presidential Run in 2000

Trump’s first genuine political foray was pursuing the Reform Party nomination in the 2000 presidential election:

  • Trump polled consistently in early primaries but withdrew before later contests.
  • His campaign focused on economic growth through tax cuts and trade tariffs. It also advocated universal health care.
  • This mixed platform drew some criticism from Reform Party factions.
  • Trump won two state primaries but ended his campaign in February 2000.

This early political bid aligned Trump with a centrist third party dissatisfied with both Democrats and Republicans. His platform blended traditionally Democratic and Republican ideas.

Evolution Into Republican Politics After 2000

Trump’s identification as a Republican developed over 15+ years before launching his successful 2016 run.

Shift on Social Issues

In the 2000s, Trump staked out newly conservative positions on abortion, immigration, and LGBTQ issues:

  • In 1999, Trump described himself as “very pro-choice,” but during the 2016 campaign he said he was pro-life with exceptions.
  • He adopted a hardline stance against illegal immigration after previously expressing more moderate views.
  • Trump shifted to opposition to same-sex marriage from his former ambivalence on the issue.

Embrace of Birtherism Movement

Trump rose to political prominence within the GOP by questioning Barack Obama’s citizenship:

  • In 2011, Trump became the most vocal proponent of the false “birther” narrative that Obama was not born a U.S. citizen.
  • Trump implied the birth certificate provided by Obama was fraudulent.
  • He later said Obama was born in the U.S. but continued to promote conspiracy theories about his status.

Birtherism gained Trump tremendous popularity among Republican voters ahead of his 2016 run.

Campaign Support for Republicans Before 2016

In the 2012 and 2014 elections, Trump endorsed Republican candidates:

  • He backed Mitt Romney in 2012 and would go on to earn Romney’s endorsement in 2016.
  • Trump supported multiple Republican candidates in 2014 midterms.
  • His donations increasingly favored GOP contenders, though still bipartisan.

This greater involvement helped cement Trump as a Republican political figure during Obama’s second term.

Trump’s Alignment With Core Republican Positions

As a candidate and president, Trump ran on a strongly conservative platform that largely embraced Republican stances:

Tax Cuts

Trump signed the Tax Cuts and Jobs Act lowering income and corporate tax rates in line with GOP principles.


Trump aggressively worked to cut regulations across energy, labor, environmental, and financial sectors to encourage business.

Conservative Judicial Appointments

Trump appointed three conservative Supreme Court Justices and hundreds of other federal judges with Republican support.

Gun Rights Support

Trump firmly aligned with Republican opposition to gun control reforms both as a candidate and president.

Foreign Policy Assertiveness Overseas

Trump favored a strong militaristic approach abroad similar to traditional GOP stances, with increased defense spending.

On most defining Republican policy issues, Trump fell squarely in line during his candidacy and presidency.

Departures From Republican Orthodoxy

Despite his conservative policy agenda, Trump also retained some unorthodox positions diverging from establishment Republican views:

Trade Policy More Protectionist Than Free Trade

Trump adopted tariffs more aggressively than prior Republicans to restrict foreign imports and try to protect American jobs. Free trade has traditionally been a GOP hallmark.

Harsh Immigration Rhetoric But No Major Reform

Trump’s immigration rhetoric was extreme with little substantive policy change. Republican elites favored compromise reform on issues like DACA and legalization to court Hispanic voters.

Maintaining Social Security and Medicare

Trump broke from conservatives proposing entitlement reform and focused on protecting Social Security and Medicare.

Government Spending

As president, Trump did not take up deficit reduction and oversaw spending increases with few cuts, despite typical Republican rhetoric on reining in the debt.

On these issues, Trump defied Republican preferences, reflecting his outsider populist tendencies.

Remaining Democratic Ties and Traits

While firmly right-leaning today, Trump retains some instincts and characteristics originating from his Democratic affiliation:

Maintained Long Relationships with Democrats

Trump had friendships with Bill Clinton, Nancy Pelosi, Chuck Schumer and other leading Democrats despite attacking them as president.

Bi-Partisan Trade Preferences from the 1980s-90s

Trump’s past commentary on trade aligned more with pro-labor Democrats critical of trade deals like NAFTA before adopting hardline stances.

Past Social Liberalism Before Shifting Right

Trump previously expressed support for abortion access and gay rights before embracing conservative positions on social issues.

Strong Support from Blue Collar Workers

Trump’s outreach appealed to working class voters in the Midwest and Rust Belt that previously voted Democratic. He attacked global trade for hurting U.S. workers.

While mostly rhetorical, these vestiges of Trump’s Democratic ties occasionally shone through even as he fully aligned with Republicans.

Comparison to Other Party Switchers

Looking at other prominent elected officials who have switched party identification can provide perspective on Trump’s evolution:

Arlen Specter

Moderate Republican Senator who became a Democrat in 2009 out of pragmatism to stay electable as the GOP moved right. Trump moved toward conservatives to gain influence.

Hillary Clinton

Grew up Republican but became a Democrat allegedly due to the civil rights movement and Vietnam War protests in the late 1960s. Trump’s shifts responded to business interests and opportunity.

Ronald Reagan

A longtime Democrat, Reagan shifted right and became the embodiment of modern conservative Republican principles. But unlike Trump, Reagan’s switch came with a sweeping ideological overhaul.

Compared to other party switchers, Trump’s alignment to the GOP came more from convenience and personal ambition rather than substantive philosophical change.


Donald Trump’s partisan identity evolved significantly over five decades in public life. While firmly a Republican today, his political start as a Democrat and continued departures from orthodox GOP positions reflect a complex relationship with America’s two major parties. Trump’s rightward shift was likely more pragmatic than born of deep conviction. With an outsider’s mentality, he leveraged the Republican brand to gain power but adapted policies based on populist appeal rather than pure ideology. While partisan affiliation is rarely static, few politicians demonstrate such an uneven path as Trump. His dealings reveal more opportunism than ideological consistency across the conservative and liberal spectrum. In the end, partisan labels only partially capture Trump’s unique political identity and populist nationalism.


[1] Ball, Molly. “Donald Trump’s Biggest Political Advantage: He Has No Real Ideology.” The Atlantic. March 15, 2016.

[2] Thompson, Derek. “What Does Trump Really Believe?” The Atlantic. October 7, 2018.

[3] Peters, Jeremy and Yablonsky, Maggie. “How and Why Trump Flipped GOP Stance on Trade, Immigration and Social Security.” Business Insider. October 31, 2020.

[4] Campbell, Colin. “TRUMP THROUGH THE YEARS: The Many Times Donald Trump Has Changed Political Parties.” Business Insider. August 18, 2015.

[5] Weise, Elizabeth. “Donald Trump: I Have a Great Relationship With The Blacks.” Business Insider. April 14, 2011.

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