This is the second of a five-part series on population woes caused by Japan¡¯s graying society and low birthrate.

At first glance, it¡¯s hard to tell what¡¯s wrong with Keiko Sawada.

¡°I don¡¯t hate being alone, but I do feel lonely at times,¡± Sawada, a sociable and talkative woman, said during a recent visit to her one-room apartment in Nakano Ward, Tokyo. ¡°Of course I¡¯m worried about what will happen to me in the future. I¡¯m 85, after all.¡±