1. ELSTAT. (2021). Estimated population of Greece. https://www.statistics.gr/en/statistics/-/publication/SPO18.
2. ELSTAT. (2022a). Population and housing censuses, 1951–2011.
3. ELSTAT. (2022b). Demography. https://www.statistics.gr/en/statistics/pop
4. European Commission. (2016–2019). European economy forecast. Publications Office of the European Union.
5. European Commission. (2020). Report on the impact of demographic change. https://ec.europa.eu/info/files/report-impact-demographic-change-reader-friendly-version-0_en.