と言うと

speaking of ...; when you say ...

→ と
phrase Common #7,511
speaking of ...; when you say ... Used to introduce an association, response, or clarification prompted by a word or topic. In casual writing, it is often written と言うと or というと.
JA: 京都と言うと、古いお寺を思い浮かべます。
EN: Speaking of Kyoto, I picture old temples.

住宅事情はと言うと、日本はとても貧しい状態だ。

When it comes to housing, Japan is in a very poor state.