Nationality Depression prevalence Total Total Total 100.0 Total Serious depression symptoms 18.7 Total Other depression symptoms 17.2 Total No depression symptoms 64.1 Spanish Total 100.0 Spanish Serious depression symptoms 22.5 Spanish Other depression symptoms 17.9 Spanish No depression symptoms 59.6 Foreign Total 100.0 Foreign Serious depression symptoms 15.0 Foreign Other depression symptoms 16.6 Foreign No depression symptoms 68.5 - European Union Total 100.0 - European Union Serious depression symptoms 15.1 - European Union Other depression symptoms 22.6 - European Union No depression symptoms 62.2 - Rest of Europe Total 100.0 - Rest of Europe Serious depression symptoms 44.9 - Rest of Europe Other depression symptoms 6.6 - Rest of Europe No depression symptoms 48.5 - Africa Total 100.0 - Africa Serious depression symptoms 13.9 - Africa Other depression symptoms 12.8 - Africa No depression symptoms 73.3 - America Total 100.0 - America Serious depression symptoms 13.7 - America Other depression symptoms 20.5 - America No depression symptoms 65.7 - Other nationality Total 100.0 - Other nationality Serious depression symptoms 9.7 - Other nationality Other depression symptoms 29.7 - Other nationality No depression symptoms 60.6