United States is an Outlier in World Regarding Voter Identification

Real Clear Investigations published a report that the United States is an outlier in world regarding voter identification.  Virtually all European countries require voter identification for voting. Can the United States be far behind?  The article can be found here: https://www.realclearinvestigations.com/articles/2021/06/01/the_us_is_a_voter_photo_id_outlier_theyre_the_rule_in_europe_and_elsewhere_778714.html