Still many countries do not require that for naturalisation. Notable exceptions are the paid citizenships, which have much more scrunity screening including army reports etc.
Most European countries, most South American countries. Canada:Such as?
https://www.canada.ca/en/immigratio...bsection-5-1-adults-18-years-older.html#Step3
https://stadt.muenchen.de/service/info/hauptabteilung-ii-buergerangelegenheiten/1080548/
https://www.sem.admin.ch/dam/sem/de.../ee-liste-unterlagen-art21-abs1-schweiz-d.pdf
The list is long.