Davao City Mayor Rodrigo Duterte is still the presidential frontrunner in the latest ABS-CBN survey by Pulse Asia Research.

Duterte kept his 33% rating for a 2nd week in a row, in the April 26-29, 2016 survey.

Administration standard bearer Mar Roxas is in a statistical tie for second place and 11 points behind Duterte with 22%, 2 points up from his previous rating of 20%.

Independent presidential candidate senator Grace Poe was the choice of 21%, 1 point shy of her previous 22% rating.

Vice President Jejomar Binay polled 17%, 1 point down from his previous 18% rating.

Senator Miriam Defensor Santiago got a 2% rating for the 2nd week in a row.

A total of 4,000 respondents were polled in the latest ABS-CBN Pulse Asia survey that has a margin of error of 1.5%.

Duterte still leads Mindanao, keeping his 58% rating from the previous survey. Duterte also led the National Capital Region (NCR) with 40%, up from his 34% rating in the previous survey. The NCR margin of error is 4.6%. The NCR has 6,253,249 registered voters for the 2016 elections while Mindanao has 12,629,265.

Poe took Luzon with 28%, while Roxas has Visayas with 38%. In the previous ABS-CBN Pulse Asia survey, Poe rated 29% in Luzon while Roxas polled 37% in the Visayas. Balance Luzon has the biggest number of registered voters, 24,164,541 while Visayas has 11,316,789 registered voters.

By social class, Duterte is the favorite of classes ABC and the biggest voting bloc D (37% and 33%, respectively) while he shares the statistical lead in Class E with Roxas (31% and 24%).

Poe is still the top alternative candidate for President, according to the survey.

The survey covered both urban and rural respondents, who were adults 18 years old and above, and are also registered voters with biometrics.

The respondents were asked to pick their president from a sample ballot and list of candidates if elections were held during the survey dates.

Around 4% of the respondents answered "don't know, refused, undecided, or none."