List Of First World Countries 2025. Followed by 🇨🇳 china, with the second largest population globally of 1,424,381,924 people in total. Headline inflation in the oecd is projected to gradually ease from 6.9% in 2023 to 5.0% in 2024 and 3.4% in 2025, helped by tight monetary policy and fading goods and energy price pressures.

This is an alphabetically ordered list of the countries of the world. Member states of the nato).