A former inside minister, Mohamed Bazoum, has gained Niger's presidential election, which has been hailed as a primary democratic transition for the coup-prone West African state.
He took 55.75% of the vote, mentioned the electoral fee, with opposition candidate Mahamane Ousmane on 44.25%.
Supporters of Mr Ousmane, a former president, have protested within the streets, alleging fraud.
Niger struggles with frequent droughts, insurgency and widespread poverty.
The world's poorest nation in response to the UN's improvement rankings for 189 international locations, it outlawed slavery as late as 2003.
It has been affected by a spillover of violence from two jihadist insurgencies in neighbouring Mali and Nigeria.
Mr Bazoum, 61, was the candidate for the governing get together in Sunday's second-round run-off vote. He's set to succeed President Mahamdou Issoufou, who's stepping down after two five-year phrases.
Nevertheless, supporters of the defeated Mr Ousmane have gathered in areas seen as his strongholds within the capital, Niamey.
The BBC's Lalla Sy, in neighbouring Ivory Coast, reviews that tyres are being burned and stones have been thrown at a automobile belonging to the governing get together.
Mr Ousmane, 71, was the primary democratically elected president of Niger in 1993 however was overthrown in a army coup three years later.
The provisional outcomes should nonetheless be confirmed by the constitutional courtroom.