In QSR Magazine's annual Drive-Thru Study, the only comprehensive industry comparison of customer service at fast-food chains, other restaurants have consistently outperformed McDonald's in those areas.

WSJ: McDonald's Tackles Repair of 'Broken' Service

Data from the World Bank's most recent and hugely comprehensive International Comparison Program study breaks global individual consumption into 11 buckets--from food and clothing to health care and recreation.

FORBES: How The World Spends Its Money