If you are interested, please refer to the link below:
1:video http://www.worldbank.org/en/news/video/2015/12/07/aging-in-east-asia-pacific-how-people-prepare-for-retirement-and-old-age
2: feature story
    http://www.worldbank.org/en/news/feature/2015/12/03/aging-east-asians-worried-about-future-security
3: press release
    http://www.worldbank.org/en/news/press-release/2015/12/09/policies-needed-to-tackle-labor-force-decline-higher-public-spending-in-rapidly-aging-east-asia?cq_ck=1449609358248
4: report summary http://www.worldbank.org/en/region/eap/brief/rapid-aging-in-east-asia-and-pacific-will-shrink-workforce-increase-public-spending?cq_ck=1449608686426