Early official results showed his Tisza party leading across the country. Orbán described the result as "painful" and confirmed he had congratulated his rival.
The outcome could reshape Hungary's relationship with the European Union and NATO, and has major implications for Ukraine, where Orbán had repeatedly blocked EU support. His defeat also sends shockwaves through right-wing political movements globally, including allies of US President Donald Trump and Russia's Vladimir Putin.
Magyar campaigned on tackling corruption and restoring democratic institutions, while promising to repair ties with European partners. Our correspondents report from both campaign headquarters as Hungary enters a new political era.
