The runner-up is showman Volodymyr Zelensky.

After all ballots were processed in Ukraine's foreign constituencies, the Central Election Commission announced that incumbent President of Ukraine Petro Poroshenko had won the first round of elections in these constituencies by a large margin.

A total of 38.93% of Ukrainians abroad voted for Petro Poroshenko.

The runner-up is showman Volodymyr Zelensky, who was supported by 26.01% of the voters.

Leader of the Civil Position Party Anatoliy Hrytsenko came third with 10.64%.

Ex-chief of the SBU Security Service of Ukraine Ihor Smeshko was fourth with 6.62%.

Read alsoUkraine election: Zelensky confidently winning as almost 98% votes counted

Svoboda Party's Ruslan Koshulynsky gained 4.67%; leader of the Batkivshchyna Party, Yulia Timoshenko, received 4.21%; co-chairman of the Opposition Platform - For Life Party Yuriy Boyko got 3.91%; and Opposition Bloc – Party of Peace and Development, Oleksandr Vilkul, saw 1.80%.

The remaining candidates gained under 1% of the votes.

A total of 55,031 votes have been counted.

Beyond Ukraine borders, 101 polling stations operated.