What is the legal blood alcohol concentration (BAC) limit for a full licence holder?

The legal blood alcohol concentration (BAC) limit can vary depending on the country.

1. In the United States, the legal BAC limit for drivers who are 21 years and older is 0.08%.

2. In the United Kingdom, the limit is 0.08% for England, Wales, and Northern Ireland, but it's lower in Scotland at 0.05%.

3. In Australia, the limit is 0.05%.

4. In Canada, the limit is 0.08%.

5. In Germany, the limit is 0.05%.

Please note that these limits can be subject to change and it's always best to avoid drinking and driving altogether. Always check the current regulations in your specific location.