This is a list of countries by estimated number of privately owned guns per 100 people.
The Small Arms Survey 2017[1] provides estimates of the total number of civilian-owned guns in a country.
The estimates include both licit and illicit firearms.
The annex table where all the numbers in the main column come from also includes some sub-national areas and territories such as Northern Ireland, Puerto Rico, Scotland, etc.
[1] Region information is based on the United Nations geoscheme.