- No mass shootings in Australia in 20 years: How did they do it? https://www.nbcnews.com/health/health-news/no-mass-shootings-australia-20-years-how-did-they-do-n597091 335 comments politics
- Australia, unfortunately, had its first mass shooting in over 20 years. https://www.watoday.com.au/national/western-australia/margaret-river-tragedy-australia-sees-its-worst-mass-shooting-since-port-arthur-in-1996-20180511-p4zere.html 25 comments worldnews
- Australia investigating possible worst mass shooting in over 20 years https://www.ctvnews.ca/world/australia-investigating-possible-worst-mass-shooting-in-over-20-years-1.3925062#_gus&_gucid=&_gup=twitter&_gsc=g2zy6ws 24 comments worldnews
- Murder-Suicide is Australia's "Worst mass shooting in 20 years" http://www.abc.net.au/news/2018-05-11/seven-people-found-dead-in-margaret-river-murder-suicide/9751482 216 comments worldnews
- 20 years on from the Port Arthur massacre, Australia had not had a single mass shooting. In the 18 years up to and including the Port Arthur massacre, we’d had 13 where five or more (not including the perpetrator) were killed. https://www.theage.com.au/national/study-shows-nra-is-wrong-about-aussie-gun-laws-20180312-p4z41i.html 305 comments worldnews
- Australia 20 years after gun reform—no mass shootings, declining firearm deaths http://medicalxpress.com/news/2016-06-australia-years-gun-reformno-mass.html 111 comments politics
- Australia 20 years after gun reform: No mass shootings, declining firearm deaths https://www.sciencedaily.com/releases/2016/06/160622114743.htm 6 comments politics
- Australia data shows gun controls a huge success 20 years after mass shooting http://mobile.reuters.com/article/iduskcn0xp0hg 56 comments worldnews
- Australia Data Shows Gun Controls a Huge Success 20 Years After Mass Shooting http://www.nytimes.com/reuters/2016/04/28/world/asia/28reuters-australia-guns.html?ref=world&smid=tw-nytimesworld&smtyp=cur 66 comments worldnews
- Australia's gun laws stopped mass shootings and reduced homicides, study finds: Reforms still having positive effect 20 years on, as landmark study shows accelerated reduction in rates of suicide and homicide deaths caused by firearms https://www.theguardian.com/world/2016/jun/23/australias-gun-laws-stopped-mass-shootings-and-reduced-homicides-study-finds 267 comments worldnews