:::No, it wouldn't "over 20%" if we were using their methods, it would be 9.7%, like in the source I gave above, which actually does use the same definition. And yes, taking different government sources to put together international comparisons IS WP:SYNTH (which is a different issue than reliability) since they do not all use the same methodology. And yes, it is scare mongering in an editorial. 
 :::Data and scholarly sources, not editorials.