非婚生育率正在激增。
它也降低了非婚生育的数量，而增加了婚生子女的数量。
It has also reduced the number of illegitimate births and increased the number of legitimate ones.
结婚率暴跌，随之而来的出生率，以及非婚生育率在日本也很少。
The marriage rate has plummeted, and with it the birthrate, since out-of-wedlock births are rare in Japan.
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