The percentage of mixed couples depends on whether you are considering new marriages or all current marriages. According to the provided information, there are two relevant figures.
- New Marriages: A record 15.1% of all new marriages in the United States were between spouses of a different race or ethnicity.
- All Current Marriages: 8.4% of all current marriages, regardless of when they occurred, are between spouses of a different race or ethnicity.
In summary, the answer to the question depends on the specific context being considered.