What a difference a few months make. Calgary's jobless rate jumped to 6.6 per cent in July, up from 5.9 per cent the previous month, as Alberta's economy grapples with the oil shock. The city's unemployment rate is now higher than that of London, Ont. – something that hasn't happened since 2004. As recently as January, London's rate was a full 2.5 percentage points above Calgary's. There does remain, however, a sizeable gap between each cities' participation rates.