Barangay Imnajbu

Situated in Uyugan, Batanes, Barangay Imnajbu is one of 4 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Imnajbu had a population of 177. This made it the 4th largest of 4 barangays in Uyugan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Imnajbu accounted for approximately 12.83% of the total population of Uyugan, which stood at 1,380 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Imnajbu moving from 164 residents to 177 residents, an intercensal change of +7.9%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Imnajbu as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Uyugan is a municipality comprising 4 barangays, and serves as the governing unit directly responsible for local services in Barangay Imnajbu, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batanes, which contains 29 barangays across its component cities and municipalities, Barangay Imnajbu ranks 27th by 2020 population. Batanes is classified as a 5th by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.