幼児 ようじ死亡 しぼう りつじゃなかったです
yōjishibōritsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 幼児死亡率

1. Was not infant mortality rate.; Wasn't the infant mortality rate.

Past/Perfective
Negative
Polite
Casual Register