| 1. | United States | 331.9M | |
| 2. | United Kingdom | 67.3M | |
| 3. | Uganda | 47.1M | |
| 4. | Ukraine | 43.8M | |
| 5. | Uzbekistan | 34.9M | |
| 6. | United Arab Emirates | 10.0M | |
| 7. | Uruguay | 3.5M |
Metric
Value
Rank
Countries Starting With U
47.1M
#3
Metric
Value
Rank
Countries Starting With U
43.8M
#4
Metric
Value
Rank
Countries Starting With U
10.0M
#6
Metric
Value
Rank
Countries Starting With U
67.3M
#2
Metric
Value
Rank
Countries Starting With U
331.9M
#1
Metric
Value
Rank
Countries Starting With U
3.5M
#7
Metric
Value
Rank
Countries Starting With U
34.9M
#5
