September 1996


Georgie Stanford writes:

The thesis is the following:

(1) Worldwide suicide rates are essentially the same regardless of political factors such as availability of firearms when matched for age and sex. Worldwide these are about 1.5% in all whole populations except for 2).

Really?

From the UN demographic yearbook I computed percentages of deaths that were suicides:

El Salvador 4%
Japan 2.5%
Fiji 2%
Korea 1.5%
Nicaragua 1%
Mexico 0.5%

There seems to be quite a bit of variation there.

(2) Males of northern European extraction have a higher total suicide rate of about 2.5% regardless of political factors such as availability of firearms. In whole populations this is the only major exception.

If I understand you correctly, this means that a whole Northern European population will have a suicide rate of 2% (1.5% for women and 2.5% for men). Let’s look at all the countries listed in the UN demographic yearbook adjacent to the Baltic Sea:

Estonia 2%
Finland 3%
Germany 1.5%
Latvia 2%
Lithuania 2.5%
Poland 1.5%

Once again, there is quite a bit of variation.

(3) Other factors such as age, psychopathology et cetera show subgroups within populations which have higher rates (particularly advanced age, schizophrenia, manic depression and substance abuse) but factors such as availability of firearms do not affect the overall rates between the same subgroups in different countries.

You might want to look at:

Killias “International correlations between gun ownership and rates of homicide and suicide” Can Med Assoc J 1993; 148(10) pp 1721-1725

Killias found a significant correlation between gun ownership and suicide. Most of the countries looked at were in Northern Europe and with similar demographics, so I doubt if controlling for the factors you suggest above would make the correlation between guns ownership and suicide go away.

(4) In countries with fewer guns the choice of tool for suicide changes but not the overall rate of the entire population based on race (per number 2) and subpopulations matched for age, sex and psychopathology.

You might also want to look at: Clark and Lester “Suicide : closing the exits” Springer NY 1989 which makes a case for availability of means for suicide affecting overall suicide rates.

(I noticed you’ve not bothered to look up the Toronto suicide data I previously mentioned but the onus is on you; it is clear that the Toronto political experiment is the basis for my past statement about shooters vs jumpers, that this is established observation and not theory and studies on this and similar occurrences are freely available through biomedical libraries and databases.

Yes indeed. Specifically on the 78 Canadian law (which I believe you are referring to) see Am J Psychiatry 151:4 606-608 (1994). Abstract:

” To assess the impact of the 1978 Canadian gun control law on suicide rates in Ontario, the authors compared firearm and non-firearm suicide rates for 1965-1977 with those for 1979-1989. There was a decrease in level and trend over time of firearm and total suicide rates and no indication of substitution of other methods. These decreases may be only partly due to the legislation.”

As I said before, I’m not asserting anything new. I’m merely reciting material (which if not junior high school level is still well within undergraduate range) which has been so well documented elsewhere as to merely be an educational exercise.

I certainly do not consider the evidence on the subject to be at all conclusive. However, I think it is incorrect to say that it is well-established that gun availability (or availability of means in general) has no effect.

In Point Blank Gary Kleck writes:

The aggressor’s possession of a handgun in a violent incident apparently exerts a very slight net positive effect on the likelihood of the victim’s death. The linear probability interpretation of the OLS coefficient implies that the presence of a handgun increases the probability of the victim’s death by 1.4%. thus the violence-increasing and violence-suppressing effects of gun possession and use almost exactly cancel each other out. This small association is statistically significant, however, because of the very large (n=14,922) sample size.

the effects of aggressor weaponry are quite substantial when taken stage by stage, i.e., when separately examining attack, injury, and death. This is why impressive-appearing results can be obtained when researchers examine, for example, only the last stage, looking solely at the impact of guns on the likelihood of the victim’s death, among those wounded…

The findings also imply that if gun possession were reduced among aggressors in violent situations, total assault injuries would increase, the fraction of injuries resulting in death would decrease, and the total number of homicides would remain about the same….

This is perhaps the most bone-headed claim Kleck makes in his book. Kleck’s data implies that a 10% reduction in gun possession by aggressors would result in a 2% decrease in injuries and a 6% decrease in homicides. This is definitely not “remain about the same.”

Peter H. Proctor writes:

If memory serves,
roughly half of all murders in the US are committed by blacks ( usually against other blacks ), who represent about 14% of the US population.

If memory serves, if you discount this one population, the murder rate in the US is below some European countries. This is counting Hispanics ( who have a murder rate roughly double that for other US whites ) with the White population.

The US white homicide rate is about 5 per 100,000. The median homicide rate for Western European countries is about 1.2 per 100,000. (Source WHO Statistical Yearbook).

This is from memory, but I think our rate is about that of Italy. I notice that you give the median, which hides a lot of national variability.

The 1992 WHO Statistical Yearbook gives the Italian homicide rate as 2.3.

There were 28 countries listed for the European region in the 1992 WHO Statistical Yearbook. The only ones with rates above 2.0 were Finland (3.3) Hungary (4.1) Israel (2.5) Luxemburg (2.9) Poland (2.9) Romania (5.4) and Northern Ireland (4.9).

Greater than of course the Brits, but that has always been true. And the US white rate includes Hispanics, whose murder rate is roughly double that for other whites.

Which implies that the US white non-Hispanic homicide rate is about 4 per 100,000. Still much greater than in the European countries where their ancestors cam from.

The British rate didn’t change much if any when they went from essentially open firearms rights to complete control.

True, it didn’t change that much, but it did go down. And legal restrictions only represent part of the picture of firearms availability.

A real test would be to control for national origin. E.g., my guess is that the murder rate by Australians in the US is probably the same as for Australians in Australia ( i.e., pretty low, even in the ending era of fairly free access to firearms in Oz ). You lot don’t suddenly become blood thirsty when you visit the bad old USA with its gun vibes.

Australians who visit the US are unlikely to be representative. Why not compare white non-Hispanic Australians with white non-Hispanic Americans? Roughly similar culture, both groups whose ancestors emigrated from Europe. The US homicide rate is about 4, the Australian one about 2. The non-gun homicide rates are about the same, the with gun homicide rate is about 4 times greater in the US.

Of course, this hardly proves that gun availability causes the difference, but simply controlling for ethnic origin does not explain the difference.