Nuevo Belen's 2026 population is now estimated at 5,094. In 2000, the population of Nuevo Belen was 11,851. Nuevo Belen experienced a decrease of -261 residents over the past year, marking an annual decline of -4.87%. These population values and projections come from Panama census 2000 nomenclature places, Panama census 2010 nomenclature places, Panama census 2023 Cuadro 3 place population and World Population Review Internal Projections .