Their Secrets to Longevity

Zheng Xuechu, born in 1910, has dinner at his home in Taizhou city, East China's Zhejiang province, on June 21, 2011.

Xie Yungui, born in 1897, carries a bell at her home in Hefei city, capital of East China's Anhui province, on Oct 15, 2012.

Wang Jingzhi, born in 1900, celebrates her birthday at her home in Yanggu county, Liaocheng city, East China's Shandong province, on May 27, 2013.

Zhang Ziying, born in 1912, makes a fire to boil water at her home in Dawang village, Malu town, Dongxing city, South China's Guangxi Zhuang autonomous region, on March 30, 2010.

Yang Wen, born in 1911, dries fishing nets in Zhushan village, Dongxing town, Dongxing city, South China's Guangxi Zhuang autonomous region, on March 25, 2010.

Wei Hanfang, born in 1908, does exercises in bed before getting up in the morning at her home in Nanning city, South China's Guangxi Zhuang autonomous region, on April 4, 2003.

Shi Mingying, born in 1910, makes brooms at Nanmushan village, Dongxing town, Dongxing city, South China's Guangxi Zhuang autonomous region, on March 22, 2010.

Su Yuying, born in 1909, feeds a cow at Sile village, Dongxing county, South China's Guangxi Zhuang autonomous region, on March 25, 2010.

Georgina Easter, born in 1910, participates in a "keep fit" class, which she attends on a regular basis, in the Chaddesden area of Derby, UK, on Jan 14, 2010.

Xu Yiqing, born in 1908, microblogs with his daughter's assistance at his home in Xi'an city, Northwest China's Shaanxi province, on Oct 16, 2011.

Han Shiyuan, born in 1907, plays with a sword at a park in Tanggu, North China's Tianjin municipality, on Oct 12, 2010.

Wu Xiuqiong, born in 1908, plays mahjong at her home in Guiyang city, capital of Southwest China's Guizhou province, on June 13, 2011.

China's population is rapidly aging. According to The Diplomat, only 5 percent of the country's population was over 65 three decades ago; today, 123 million people, or 9 percent of the population, are over this age. A report released by a government think tank also forecast that China will become the world's most aged society in 2030.