Both husband and wife earn income (i.e., a dual-income household); spouses working together to support the household financially.
最近は共稼ぎの家庭が増えている。
Recently, households where both spouses work have been increasing.
私たちは共稼ぎで住宅ローンを返している。
We both work and are paying off the mortgage together.
共稼ぎだと、育児と仕事の両立が課題になることが多い。
With both spouses working, balancing childcare and work is often an issue.