Barangay Nabannagan East

Situated in Lasam, Cagayan, Barangay Nabannagan East is one of 30 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 Nabannagan East had a population of 1,431. This made it the 13th largest of 30 barangays in Lasam by population, placing it in the middle tier of the municipality. Residents of Barangay Nabannagan East accounted for approximately 3.47% of the total population of Lasam, which stood at 41,225 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Nabannagan East changed from 1,390 to 1,431, a shift of +2.9% over the five-year period. This places the barangay among those with growing populations in Lasam. The Philippine Statistics Authority classifies Barangay Nabannagan East as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Lasam is a municipality comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay Nabannagan East, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cagayan, which contains 820 barangays across its component cities and municipalities, Barangay Nabannagan East ranks 334th by 2020 population. Cagayan is classified as a 1st 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.