20 Most Advanced Countries in the World

2. United States

Absolute R&D Spending: $806.01 billion

Human Development Index: 0.927

Composite Ranking: 5.5

The United States is ranked 2nd on our list of the most advanced countries. The country has one of the best research institutes in the world. The US dominates the one-third of global Information Technology market. Its IT and software sector accounts for over 10% of its GDP.