No, they don't. Their obesity rates are roughly half of ours. Obese =/= overweight.The Aussies have obesity rates comparable to our own,
Overweight and obesity in Australia
They're certainly not identical.and have a vastly lower population density which leads to higher infrastructure costs. The Canadians are basically our dorkier cousins. The French smoke like chimneys. The Irish will drink you under the table. Yes, they're all different, but thousands of sets of data just can't be dismissed like that. Our health problems aren't unique.