High-Income, Dose-Rich Nations Are Leading in Certificates for Travel
Using
Considering
No
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
100
300
1,000
3,000
10,000
30,000
Most vaccine certificate users are higher income, higher vaccine administering countries
Doses per 100,000
GDP (per capita)