The Economist has a short article on the "Global Peace Index". Surveyed across 150+ countries, it tallies up a number of factors including murder rates, assault, war etc. South Africa, as it can be expected with our high crime rates does not score as very peaceful - but it doesn't mean that we are less peaceful than other developing countries; with our rating category being the same as countries like India, Mexico, Kenya and Thailand. It is equally interesting to see what countries are considered to be peaceful - with most of Europe and Canada scoring particularly well.
The full range of factors can be viewed on this interactive site.
The full range of factors can be viewed on this interactive site.