Land area where elevation is below 5 meters (% of total land area) - Upper middle income, Lower middle income
Center for International Earth Science Information Network - CIESIN - Columbia University, and CUNY Institute for Demographic Research - CIDR - City University of New York. 2021. Low Elevation Coastal Zone ( LECZ ) Urban-Rural Population and Land Area Estimates, Version 3. Palisades, NY: NASA Socioeconomic Data and Applications Center ( SEDAC ). doi.org/10.7927/d1x1-d702.
