The government endorsed a plan Friday to prioritize investment in human resource development to buttress Japan's economic growth and improve its tattered finances.

Japan will maintain its pledge to achieve a surplus in the primary balance by fiscal 2020, while the government's annual economic policy blueprint said that another indicator used to gauge fiscal health — the debt to gross domestic product ratio — is also important.

Ballooning social security costs have made it imperative to rein in spending as the graying of its population picks up pace.