The richest country in the world depends on the measure used:
- By total Gross Domestic Product (GDP), the United States is the richest country with a GDP of approximately $28.78 trillion in 2025, making it the largest economy globally
- By GDP per capita (Purchasing Power Parity, PPP), which reflects average wealth per person, Singapore ranks as the richest country with about $156,755 GDP per capita in 2025, followed by Luxembourg and Ireland
In summary:
Measure| Richest Country| Value (2025)
---|---|---
Total GDP| United States| $28.78 trillion
GDP per capita (PPP)| Singapore| $156,755
Thus, the United States leads in overall economic size, while Singapore leads in average wealth per person