Japan has the highest life expectancy among OECD countries at 84.5 years compared to Australia's fourth ranking at 83.3 years. Which factor BEST explains why some countries like Japan achieve superior longevity outcomes?
- Countries with higher life expectancy spend significantly more on healthcare than Australia
- Geographic location determines life expectancy more than any other factor
- Cultural dietary patterns and lifestyle practices contribute to population health differences
- All OECD countries have identical healthcare systems and social determinants