Subnational Annual Population Estimates for Estonia and Portugal (2015–2023)

This dataset contains annual population counts from 2015 to 2023 for Estonia and Portugal at a national or subnational (region-level) scale, identified by country and region codes. Each row represents a single year’s population estimate for a given country and region. The data can be used for demographic trend analysis, urbanisation studies, or integration into broader socioeconomic and environmental research.