Any sources to clarify this observation? One reason I ask is because if one is just looking at the Korean-American population as a whole, there are a couple ot

Any sources to clarify this observation? One reason I ask is because if one is just looking at the Korean-American population as a whole, there are a couple other factors that could be leading to the gender imbalance: - Mothers raising their kids in U.S. while the father works in Korea - Historic immigration after the Korean War, during which a large portion of the male population was wiped out