The combination of high corporate saving and low business investment has sustained the current-account surplus, allowing Japan to fund its budget deficit domestically. But the surplus has fallen sharply in the past five years, from roughly 6% of GDP in 2007 to only 1% now.
家庭储蓄率近几年大幅下降，跌至不到2%。高公司储蓄和低商业投资共存的局面维系着日本的经常项目盈余，让日本能够在国内找到预算赤字融资源。但盈余在过去五年中迅速下降，从2007年的约占GDP的6%降至现在的1%。随着家庭储蓄率的下降和新财政赤字前景，经常项目很快会转为赤字，迫使日本向外国买家兜售债务。