The second round run-off pitched incumbent President Abdoulaye Wade against contester Macky Sall.
Voters queued from the early morning to cast their ballot across the country.
The Senegalese pride themselves on being a bastion of democracy in the region.
Incumbent Abdoulaye Wade was running for a third term as president.
But many Senegalese believe that Wade's candidacy was unconstitutional, and that he should not be allowed to run for a third term.
Wade's supporters turned out in large numbers to catch a glimpse of their president as he arrived to vote in the capital, Dakar.
Graffiti proclaiming "I vote Macky" adorned many walls of the capital, proclaiming support for opposition candidate Sall.
Those voting had their fingers stained with dye to prevent multiple votes.
Men sit outside a polling station in the capital's centre.
Supporters of incumbent President Wade react as police disperse them.
With many voters having cast their ballot early on, polling attendants sat out the final hours of voting.
Voters wait outside a polling station for results.
As the ballots closed, a man listens to a radio as vote tallying begins.
At Macky Sall's party headquarters, the campaign team wait for the first results.
Campaign team members for Macky Sall watch as supporters gather outside the party headquarters.
As results trickled in, indicating a win for Sall, increasing numbers of people gathered outside the headquarters.
As it became increasingly clear that Sall would take the win, a jubilent atmosphere filled the streets.
As the night drew on, huge numbers of Sall supporters filled the streets.
Following Wade's concession of defeat, President-elect Macky Sall held a press conference acknowledging his win.
After years of Wade's presidency, Senegal experienced a new dawn in its democracy.