Name three countries with the highest GDP per capita.
The three countries with the highest GDP per capita in 2021, as estimated by the International Monetary Fund, are:

1. Macao SAR, China — with a GDP per capita of $127,805 (USD).
2. Luxembourg — with a GDP per capita of $118,239 (USD).
3. Singapore — with a GDP per capita of $98,190 (USD).
Complete the following task based on the instruction and optional input provided.### Instruction:
Name three countries with the highest GDP per capita.

### Output:
The three countries with the highest GDP per capita in 2021, as estimated by the International Monetary Fund, are:

1. Macao SAR, China — with a GDP per capita of $127,805 (USD).
2. Luxembourg — with a GDP per capita of $118,239 (USD).
3. Singapore — with a GDP per capita of $98,190 (USD).