The package, if passed, would continue Japan’s cycle of borrowing and spending to stoke growth and pay for its expanding social welfare costs to support a rapidly aging population. It already has the biggest debt load in the developed world relative to the size of its economy.

Mr. Abe said the measures were meant to help Japan keep the boost from the 2020 Olympics in Tokyo going after the event.

Regional picture: Japan, along with China and Hong Kong, has faced economic slowdown over the past year. Factors included the trade war between the U.S. and mainland China; the effects of a political spat with South Korea; and damage from the typhoon, which exposed a need for new infrastructure.

Huawei ramps up fight against critics

As part of its global push to hit back at regulators and naysayers, the Chinese telecommunications giant is suing the U.S. Federal Communications Commission for choking off its sales.