_____ city topped in the 2019 world’s Safe Cities Index ?

1) Seoul
2) Tokyo
3) Osaka
4) Singapore

Explanation:
On August 29, 2019, According to a report by the Economist Intelligence Unit sponsored by NEC corporation’s (formerly Nippon Electric Company), World’s Safe city index(SCI) for the year 2019. The overall list was topped by Tokyo(Japan) followed by Singapore and Osaka in 2nd and 3rd spots respectively.