April 12 (UPI) -- Hungarian Prime Minister Viktor Orban is projected to lose his re-election effort, with more than half the ballots counted, and has already conceded after 16 years in the position.

J.D. Vance traveled to Hungary last week in an unsuccessful effort to boost Donald Trump's ally, who had been in power for 16 years in Hungary.

Partial results on Sunday show the opposition party ending Viktor Orban's 16-year stretch as Hungary's prime minister.

Partial results on Sunday show the opposition party led by Peter Magyar ending Viktor Orban's tenure as Hungary's prime minister.

Hungary's nationalist Prime Minister Viktor Orbán has conceded defeat in parliamentary elections to his rival, conservative Peter Magyar, a former government insider and political newcomer who has promised "system change".

Veteran PM Viktor Orban has acknowledged the victory of Peter Magyar and his Tisza party.