Editing Barcelona (section)

=== Age structure ===
In 1900, almost a third (28.9 percent) of the population were children (aged younger than 14 years). In 2017, this age group constituted only 12.7% of the population. In 2017, people aged between 15 and 24 years made up 9 percent of the population; those aged between 25 and 44 years made up 30.6 percent of the population; while those aged between 45 and 64 years formed 56.9% of all Barcelonans. In 1900, people aged 65 and older made up just 6.5 percent of the population. In 2017, this age group made up 21.5 percent of the population.<ref>{{cite web |url=https://w3.grupobbva.com/TLFU/dat/05_barcelona.pdf |title=La población de Barcelona |author=Fundación BBVA |access-date=6 May 2019 |archive-url=https://web.archive.org/web/20100106095806/http://w3.grupobbva.com/TLFU/dat/05_barcelona.pdf |archive-date=6 January 2010 |url-status=dead}}</ref><ref>{{cite web |url=http://www.bcn.cat/estadistica/castella/dades/anuari/cap02/C020104.htm |title=Poblacion por edades quinquenales y sexo. 2017 |author=Ajuntament de Barcelona |date=1 January 2017 |author-link=Ajuntament de Barcelona |access-date=6 May 2019 |archive-url=https://web.archive.org/web/20190506060005/http://www.bcn.cat/estadistica/castella/dades/anuari/cap02/C020104.htm |archive-date=6 May 2019 |url-status=live}}</ref>