| Code | Ethnicity / Label | Count |
|---|---|---|
| K | Western European | 75,000,000 |
| Q | Unknown | 30,000,000 |
| O | Unknown | 28,000,000 |
| A | African American | 22,000,000 |
| P | Unknown | 7,000,000 |
| N | Unknown | 3,000,000 |
| L | Eastern European | 3,000,000 |
| I | Middle Eastern | 2,900,000 |
| F | Native American | 1,000,000 |
| C | South Asian | 1,000,000 |
| E | Mediterranean | 285,000 |
| J | Jewish | 250,000 |
| B | Southeast Asian | 119,000 |