Japan's population crisis

I surprised when I read that " by 2060, the government estimates , nearly half of people in Japan will be over 65." According the article, one reason of this problem is people who don't get marry. And there are both cultural and economic barriers. I' m interested in the cultural point. Article say that in Japanese tradition, marriage usually ends a woman's working career. Now I often heard the word, woman who both have children and job. However, I think it is difficult for woman to do this without other people's help. People who is near such a woman have to understand that situation. Then, we have to change the tradition even if it is not easy.