Barangay Mabini

Barangay Mabini forms part of Naval, a municipality in Biliran, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Mabini had a population of 932. This made it the 21st largest of 26 barangays in Naval by population, placing it among the smaller barangays of the municipality. Residents of Barangay Mabini accounted for approximately 1.60% of the total population of Naval, which stood at 58,187 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Mabini moving from 932 residents to 932 residents, an intercensal change of 0.0%. The trajectory indicates a broadly stable community. Barangay Mabini is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Naval is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Mabini, including public health, sanitation, peace and order, and civil registration. Within the wider province of Biliran, which contains 132 barangays across its component cities and municipalities, Barangay Mabini ranks 77th by 2020 population. Biliran is classified as a 4th by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Mabini is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.