Guo Tongwang, a 91-year-old forest keeper, has lunch in his office in Maotuan Village of Dongkeng Township, Jingbian County, northwest China's Shaanxi Province, Aug. 23, 2012.[Photo/Xinhua]
The number of Chinese senior citizens is expected to reach 430 million in 2050, 30 percent of the total population, and over 20% of Chinese senior citizens rely on their pensions, the Beijing Times reports.