Updated 00:35 GMT
The common opposition's presidential candidate, Maithripala Sirisena is currently in the lead at 53.48% (116,300,5 votes) to incumbent Mahinda Rajapaksa at 45.20% (982,967 votes), as of 06:00 local time.
Votes are still being counted in several districts with results are awaited from Trincomalee, Puttalam, and other districts in the south, including Colombo.
Maithripala has dominated the Tamil areas across the North-East.
See also:
Tamils voted to ensure no fraud, not in belief things will change says TNA spokesperson (08 Jan 2015)
Police ban demonstrations for 7 days (08 Jan 2015)
Tamils vote in North-East amid grenade explosions (08 Jan 2015)
No faith election will bring about political change for us - Jaffna Uni Students' Union (07 Jan 2015)
'Sri Lanka's election could change everything... and nothing' – Callum Macrae (07 Jan 2015)
See our editorial: No choice
See our feature: Who is Maithripala Sirisena?