They are 20 years old but, if it was true then, it still holds true now.
BBC article
Percent of households with a handgun, 1991 (1)
United States 29%
Switzerland 14
Finland 7
Germany 7
Belgium 6
France 6
Canada 5
Norway 4
Europe 4
Australia 2
Netherlands 2
United Kingdom 1
Handgun murders (1992) (2)
Handgun 1992 Handgun Murder
Country Murders Population Rate (per 100,000)
-----------------------------------------------------------
United States 13,429 254,521,000 5.28
Switzerland 97 6,828,023 1.42
Canada 128 27,351,509 0.47
Sweden 36 8,602,157 0.42
Australia 13 17,576,354 0.07
United Kingdom 33 57,797,514 0.06
Japan 60 124,460,481 0.05
1. Where We Stand, Michael Wolff, Peter Rutten & Albert F. Bayers III and the World Rank Research Team (New York: Bantam Books, 1992), pp. 297,289.
2. Handgun murders: Handgun Control, Inc. Population Figures: July 1992 count for each country as reported by CIA World Factbook, 1992.
Swiss Crime Statistics 2002
If you wish for date of gun bans/restrictions and Genocide in the 20th century just ask.