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By 2050, one in six people in the world will be over age 65 (16 percent), up from one in 11 in 2019 (9 percent). The number of persons aged 80 years or over is projected to triple from 143 million in 2019 to 426 million by 2050.

But the odds of his succeeding where every previous US president has failed appear particularly low.

But the proposed act could hurt the interests of US investors as well, as many high-growth Chinese companies may leave the market, let alone the losses caused by forced delisting or other induced measures, said Liu.

But while improvements need to be made in the cost-sharing process and even in technology, it will be the products that define success or failure.

By 2016, China's stock of outbound investment was only a 10th of that of the United Kingdom and a 20th that of the US, despite annual growth of 30 percent for more than 15 years, according to data provided in his book.