Vaitupu's 2026 population is now estimated at 762.In 2012, the population of Vaitupu was 1,555.Vaitupu experienced a decrease of -39 residents over the past year, marking an annual decline of -4.87%.These population values and projections come from Tuvalu 2012 census island population (Table 1 enumerated), Tuvalu 2017 mini-census island population (Table 1 enumerated) and World Population Review Internal Projections.