When it comes to attracting global talent, New Zealand, perennially the world's easiest place to do business, can offer Japan some hints on how to welcome entrepreneurs.

New Zealand, which has topped the World Bank's annual Ease of Doing Business ranking for four consecutive years, started a program called Global Impact Visa in 2017 that focuses on applicants' ideas for addressing challenges such as climate change, rather than the typical bureaucratic screening process.

"The Global Impact Visa is the first visa in the world to focus on impact," said Yoseph Ayele, who works with New Zealand's government to attract visionary entrepreneurs and investors. "What impact can you create for the world?"