Apple’s iPad 2 may have the same performance in São Paulo as San Francisco, but Brazilians pay about 56 percent more for the same magical tablet.

After Cult of Mac discovered first hand just how pricey iPads are in Brazil – and why there’s a huge gray market there –  we wanted to see if the iPad stood up to the “McDonald’s Index.”

Cult of Mac’s Global iPad Index takes iPad 2 prices – the 32GB model, Wifi only – and compares them in Apple’s 37 online stores.

I knew I was old the moment I realized that the foundation of my every Sunday’s pleasure was wandering down to the newsstand and picking up the latest issue of the Economist, so I’m both a little sad and a little delighted to note that I’ll no longer have to make that journey: the Economist is coming to the iPhone and iPad.