It's hard to overstate how completely alone the United States stands when the stats are compacted: [0]
Australia had 94 fatal police shootings between 1992 and 2011. The U.S. had 97 in March of 2015.
England and Wales had 55 fatal police shootings in the last 24 years. The U.S. had 59 in the first 24 days of 2015.
[0] https://www.theguardian.com/us-news/2015/jun/09/the-counted-...