Ulf Kristersson has run Sweden as its prime minister since October 2022. That chapter is now closing. On September 17, 2026, he announced he would step down after his governing coalition narrowly lost the country’s general election. Here’s a full, fact-checked look at who he is, how he rose to power, and what’s actually confirmed about what happens next.
Background: Who Is Ulf Kristersson and Why Is He Trending?
Ulf Hjalmar Kristersson is a Swedish politician and leader of the center-right Moderate Party. He has served as prime minister since October 18, 2022, heading a coalition made up of the Moderates, the Christian Democrats, and the Liberals, with outside support from the right-wing Sweden Democrats. That arrangement was historic because it was the first time the Sweden Democrats, a party with roots in the far-right, gained real influence over a Swedish government.
During his term, Kristersson steered Sweden into NATO membership in 2023, ending the country’s long-standing policy of military non-alignment following Russia’s invasion of Ukraine. His government also pushed a tougher stance on immigration and organized crime, two issues that dominated Swedish politics throughout his time in office.
People are searching for him right now because of breaking political news: Sweden held a general election on September 13, 2026, and the result triggered his resignation just days later. That single event has made him one of the most searched political figures in Sweden this week.
Latest Update
Sweden’s general election took place on Sunday, September 13, 2026. Vote counting stretched for days because the race was extremely close. On Thursday, September 17, 2026, Sweden’s Election Authority confirmed final results: the four opposition parties, led by former prime minister Magdalena Andersson’s Social Democrats, won 176 of the Riksdag’s 349 seats. The four parties that made up or supported Kristersson’s outgoing government took 173 seats.
Shortly after the final count was announced, Kristersson posted a letter on X addressed to the speaker of parliament, confirming he would resign as head of government. Andersson’s Social Democrats finished as the single largest party with 99 seats, even though the party actually lost eight seats compared to the 2022 election. The Sweden Democrats, who had hoped to secure cabinet seats this time around, had a disappointing night themselves, dropping into third place behind the Moderates with 62 seats, eleven fewer than in 2022.
What’s still unconfirmed: As of this writing, no new government has formally taken office. Sweden’s government formation process typically takes weeks of negotiation between parties before a new prime minister is confirmed by parliament, so exact details of the next cabinet are not yet settled.
Full Profile: Ulf Kristersson
Family and Early Life
Ulf Kristersson was born on December 29, 1963, in Lund, in southern Sweden. He grew up in Eskilstuna, in Södermanland County, where he attended St. Eskils gymnasium and got his start in politics as a teenager, joining the Moderate Youth League. He married Birgitta Ed in 1991, and the couple has three daughters, all adopted from China. He’s also known for his dog Winston, a Welsh springer spaniel he got after losing the 2018 election.
Career Path
Kristersson’s career has moved between politics and the private sector several times. He led the Moderate Youth League from 1988 to 1992 and first entered the Riksdag, Sweden’s parliament, in 1991, serving until 2000. He then spent time in the private sector, working as marketing chief at the think tank Timbro from 1995 to 1998 and in public relations at Connecta from 2000 to 2002. He returned to public service as a finance councillor in Strängnäs from 2003 to 2006, then as a social welfare councillor in Stockholm from 2006 to 2010.
He served as Minister for Social Security under Prime Minister Fredrik Reinfeldt from 2010 to 2014, then returned to the Riksdag in 2014. He became leader of the Moderate Party in October 2017 and served as Leader of the Opposition from 2017 to 2022. He was elected prime minister on October 17, 2022, taking office the next day. On September 17, 2026, following his coalition’s election loss, he announced his resignation.
Age
Kristersson was born on December 29, 1963, which makes him 62 years old as of September 2026. He will turn 63 in December 2026.
Religion
Ulf Kristersson’s religious beliefs are not publicly documented in any verified source. UNCONFIRMED Like many Swedish politicians, he has kept his personal faith, if any, out of public discussion, and no credible outlet has reported a confirmed religious affiliation for him.
Spouse/Partner
Kristersson has been married to Birgitta Ed since 1991. She has largely stayed out of the political spotlight, and the couple has three adopted daughters.
Net Worth
There is no verified, independently confirmed net worth figure for Ulf Kristersson from a credible financial or journalistic source. UNCONFIRMED His prime ministerial salary is a matter of public record in Sweden, but salary is not the same as total net worth, and no reliable outlet has published an audited estimate of his overall wealth.
Parents
Some lower-authority sources name his parents as Lars and Karin Kristersson, with claims that his father worked in mathematics and passed away in 2015. UNCONFIRMED These details could not be cross-checked against Wikipedia, major news outlets, or official biographical records, so they should be treated as unverified rather than fact.
Height
No verified height figure for Ulf Kristersson appears in any credible source. UNCONFIRMED News profiles describe him as having a slim, athletic build and a background as a gymnast, but they do not give an exact height.
Education
Kristersson studied at Uppsala University, where he earned a degree in business economics (known in Sweden as a “civilekonom” qualification).
Hometown/State of Origin
He was born in Lund, in Skåne, but grew up in Eskilstuna, in Södermanland County, which is generally considered his hometown.
Official Social Media
His office has used the account @SwedishPM on X for official prime ministerial communication, including the letter announcing his resignation. Note that this account is tied to the Prime Minister’s Office, so its content may shift once a new government is formally in place.
Quick Facts Table
| Category | Detail |
|---|---|
| Full Name | Ulf Hjalmar Kristersson |
| Born | December 29, 1963, Lund, Sweden |
| Age | 62 (as of September 2026) |
| Political Party | Moderate Party (Moderaterna) |
| Role | Prime Minister of Sweden, October 2022 – resignation announced September 17, 2026 |
| Spouse | Birgitta Ed (m. 1991) |
| Children | 3 daughters (adopted) |
| Education | Uppsala University, business economics |
| Hometown | Eskilstuna, Södermanland County |
| Net Worth | Unconfirmed |
| Height | Unconfirmed |
| Religion | Unconfirmed |
Reader Questions (FAQ)
Who is Ulf Kristersson?
Ulf Kristersson is a Swedish politician and leader of the Moderate Party who has served as prime minister of Sweden since October 2022. He led a center-right coalition government backed by the Sweden Democrats until announcing his resignation in September 2026.
Is Ulf Kristersson still the prime minister of Sweden?
As of September 18, 2026, he remains prime minister in a caretaker capacity but has publicly announced he will resign following his coalition’s election loss. A new government has not yet been formally confirmed by parliament.
Why is Ulf Kristersson resigning?
His four-party center-right coalition lost its parliamentary majority in the September 13, 2026 general election, taking 173 seats to the opposition’s 176. He announced his resignation in a letter posted on X shortly after final results were confirmed on September 17, 2026.
Who will replace Ulf Kristersson as prime minister?
Magdalena Andersson’s Social Democrats finished as the largest single party in the election, positioning her center-left bloc to try to form the next government. However, as of this writing, no new prime minister has been formally elected by the Riksdag, so this remains unconfirmed.
How old is Ulf Kristersson?
Ulf Kristersson was born on December 29, 1963, making him 62 years old as of September 2026. He will turn 63 later this year.
Is Ulf Kristersson married?
Yes. He has been married to Birgitta Ed since 1991, and the couple has three daughters, all adopted from China.
What did Ulf Kristersson do before politics?
He worked in the private sector between political roles, including as marketing chief at the think tank Timbro and in public relations at Connecta, and he also served as a local finance and social welfare councillor before returning to national politics.
Did Sweden join NATO under Kristersson?
Yes. Sweden formally joined NATO in 2023 during his time as prime minister, ending the country’s decades-long policy of military non-alignment in response to Russia’s invasion of Ukraine.
Wrap-Up
Ulf Kristersson’s time as prime minister will likely be remembered for two big shifts: bringing the Sweden Democrats into a working governing arrangement for the first time, and steering Sweden into NATO at a moment of major security anxiety in Europe. Both moves reshaped Swedish politics well beyond his own term, and both were controversial in different ways among voters and rival parties.
His departure comes down to simple arithmetic. A three-seat margin, 176 to 173, was enough to end his coalition’s hold on government after a campaign focused on crime, immigration, and the cost of living. That’s a razor-thin result by any standard, and it explains why Swedish media spent days waiting on a final vote count before Kristersson made his resignation official.
What comes next in Swedish politics is still being written. Coalition talks, cabinet negotiations, and a formal parliamentary vote will need to happen before anyone is confirmed as the country’s next prime minister. Readers following this story should expect that process to unfold over the coming weeks, and any claims about a finalized new government before that vote should be treated as premature.
Bottom line: Ulf Kristersson is a confirmed, real political figure whose resignation as Sweden’s prime minister is a verified news event as of September 17, 2026. What isn’t yet confirmed is exactly who will replace him or when.
Thomas Andrew is the founder of Odubio.com, a digital platform sharing inspiring biographies, news, and stories about global icons and achievers.