Officials expressed concern over Japan's declining birthrate.

官员们对日本不断下降的出生率表示担忧

Asan's birthrate is 1.08, much lower even than the low national average, according to Ko Bun-Ja, one of deputies helping organize the event.

据协助组织这次活动的代表 Ko Bun-Ja，牙山市的生育率是1.08，甚至远远低于全国平均水平。

The birthrate is on the decline.

出生率在下降。

The new birthrate has decreased from last year's.

新出生率与去年相比有所下降。

The child birthrate in that area has doubled.

该地区的婴儿出生率已经增加了一倍。

Oneresult: a birthrate of 1.38 children per woman.

有一个数据可以证明这种现象：出生率是平均每名女性有1.38个孩子。