My mother always pours salt on everything. Apparently its because she's Canadian...
New research published this week in the Canadian Medical Association Journal suggests that the answer to this question depends largely on your home address.
For instance, the salt content of fast-food French fries was nearly three times higher in Canada than in France (1.4 vs 0.5 g of salt per 100g of fries, respectively), and higher than that of every other country surveyed, including the US (0.6g/100g), UK (0.8g/100g), and Australia (0.8g/100g).