Barrow gave the oath in a tiny room in Gambia's embassy in the Senegalese capital, Dakar.
Barrow said the inauguration was going to take place as scheduled on Thursday in the Senegalese capital, Dakar.
We track the events that have led to a standoff between Yahya Jammeh and regional neighbours.
The recent resignation of Jammeh’s information minister is seen as a sign of his regime weakening.
While tensions escalate and Gambians flee to neighbouring Senegal, President Yahya Jammeh has secured another three months in office.
In a televised address, The Gambia's President Yahya Jammeh denounced the 'unprecedented foreign interference' in the country's internal affairs.
The Gambia's top judge said that he could not hear President Yahya Jammeh's inauguration challenge, recusing himself from the hearing.
With Adama Barrow due to be sworn in on January 19, the Gambia's President Yahya Jammeh insists the legal route is the only "peaceful resolution".
West African leaders are actively engaged in trying to resolve a crisis triggered by Yahya Jammeh’s refusal to accept his defeat at the polls
Regional talks to make incumbent Jammeh step down have been unsuccessful.
Gambia's President Yahya Jammeh has vowed to stay in power despite losing to rival Adama Barrow during the December 1 2016 election.
On Wednesday, the Gambian press union, one of the most harshly persecuted groups under Jammeh, said he must back down.
Diplomats say if negotiations fail, force may be an option
The eccentric head of state has seemingly left the presidents-for-life club.
Jammeh had conceded defeat on state TV last week, prompting wild celebrations over the defeat of his government.
A new president brings the promise of an end to repression and freeing up development aid, frozen because of human rights concerns.
For 22 years, Jammeh, a former junior army officer, mixed charm and generosity with the threat of violence to maintain a firm grip on power
Voting against Jammeh on Thursday was a rare show of defiance against a leader who human rights groups say routinely crushes dissent.
Gambian opposition leader Adama Barrow said he was still waiting for an official result from the commission but that his own count showed he had won.