在1940年到1984年比例缓慢上升，增加了7个百分点。然后是近十年平

在1940年到1984年比例缓慢上升，增加了7个百分点。然后是近十年平缓期，比例稳定。之后的二十年比例再次上升，达到百分之二十。随即上升停止，比例缓慢下降。一直到2030年，老年人人口占总人口的比例急剧上升，一直到2040年，比重达到百分之二十五。

結果 (英文) 1:

In 1940 to 1984 the slow rise in the proportion, added 7%. Then gently in recent ten years, stability. After 20 years to rise again, reaching 20%. Rose immediately stop, slow down. Until 2030, the sharp rise in the proportion of the elderly population, until 2040, up 25%.

結果 (英文) 2:

Slow rise in the proportion of 1940 to 1984, an increase of seven percentage points. Then nearly a decade of gradual, steady proportion. Twenty years after the proportion rose again, reaching 20 percent. Immediately stop rising, the proportion of slow decline. Until 2030, the proportion of the elderly population of the total population rose sharply until 2040, the proportion reached 25 percent.

結果 (英文) 3:

In 1940 to 1984 the proportion of slow rise, an increase of 7 percentage points. Then nearly ten years of steady, stable proportion. The proportion of the next twenty years rose again, reaching twenty percent. Then rise to stop, the proportion of slow down. Until 2030, the proportion of the elderly population of the total population rose sharply, until 2040, the proportion reached twenty-five percent.