Use of Vaccine Certificates for International Travel by Income
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Domestic
Using
Considering
Not
0.0
20.0
40.0
60.0
80.0
100.0%
67.75%
19.35%
12.9%
33.33%
9.26%
57.41%
10.0%
8.0%
82.0%
6.9%
0.0%
93.1%
High income
Upper middle income
Lower middle income
Low income