I found this article which puts together statistics from the 2006 CIA World Factbook to speculate on the potential of a few dozen countries:

Which countries are best equipped to survive peak oil?

It concludes that Russia will be at the top and Bangladesh at the bottom. And until a few days ago, Bangladesh had gas prices fixed from when oil was $60 a barrel (from Google News):

Poverty-hit Bangladesh forced into huge fuel price hike

The government last increased fuel prices in April 2007. World crude oil prices have since more than doubled, costing the impoverished country more than one billion dollars in subsidies in the fiscal year that ends on Monday.

Economist Apiur Rahman, the head of Development Coordination — a Bangladeshi think-thank — said the global surge and the resulting domestic hike could be catastrophic for millions in the country.

“It’s very bad news for the country’s farmers, for rural poor, and even middle income people,” he said.

“It will drive millions of people into poverty. Inflation will jump immediately. But the government had no choice, its hands were tied. It had to raise prices.”

And most foreboding:

Economist Apiur Rahman, the head of Development Coordination — a Bangladeshi think-thank — said the global surge and the resulting domestic hike could be catastrophic for millions in the country.

“It’s very bad news for the country’s farmers, for rural poor, and even middle income people,” he said.

“It will drive millions of people into poverty. Inflation will jump immediately. But the government had no choice, its hands were tied. It had to raise prices.”