AP news agency reported that Russia and China abstained from the vote.

US Ambassador to the UN, Linda Thomas-Greenfield, tweeted that the renewed mandate would help strengthen efforts to prevent sexual and gender-based violence and enable the peace mission to provide electoral assistance.

The UN retained the 19,000-strong contingent comprising of 17,000 soldiers and 2,101 police officers.

A deadly civil war between 2013 and 2018 left thousands dead and millions of people from the homes.

A power-sharing deal signed has failed to stem violence in many parts of the country. The UN has issued grim projections about the possibility of holding elections next year.