______ countries topped in the Passport Index 2019 released by the Henley & Partners on October 9, 2019 ?

1) Spain and Sweden
2) Italy and Luxembourg
3) Japan and Singapore
4) South Korea and Germany

Explanation:
On October 9, the latest 2019 Henley Passport Index ranking was released. Japan and Singapore both hold the most powerful passport by ranking 1st in the list. The study was conducted by Henley & Partners.