Dramatically falling U.S. marriage rates have many, including the Brookings Institution, wondering whether there is a shortage of marriageable men.

The answer, it turns out, is complicated.

“If there a shortage of marriageable men, it is only among African Americans and well-educated whites,” according to the Brookings article.

The original and now outdated definition for marriageability was based on the ratio of employed men to all women, according to author Isabel Sawhill, a senior fellow in Economic Studies at the think tank. By that definition, there is a shortage.

“On all other measures, there is in fact a surplus,” Sawhill says.

The culture, economy, society and even marriage have changed considerably since marriageable was first defined. A high percentage of women are now in the workforce.

Sawhill says it’s also time to change our ideas of marriageability