In 2023, the EU collected €13.2 million from rejected Schengen visa application fees in Algeria, the highest amount among all African countries

https://schengen.news/eu-cashes-in-e56-million-from-rejected-visa-applications-from-african-countries

https://schengen.news/eu-cashes-in-e56-million-from-rejected-visa-applications-from-african-countries