You see only nine languages, but I have completed Portuguese twice and Latin doesn’t have a LinkedIn score. There are also two courses that are shown with one point missing from completed score, when in fact I have finished both of them. Luckily, the ones with false score are the shortest ones with the lowest scores.
LinkedIn scores correspond to CEFR levels according to Duolingo as follows:
High B2 is usually written as B2.2 and early B2 as B2.1. Scores 130 — 160 correspond from C1 to C2.
Four Courses Finished This Year
The first and the easiest was Swedish. I had started it already years ago just for fun and wanted to finish it fast, so I did it during just one night. Next I took Norwegian, because it goes further than Danish, but it took me only about three weeks to finish. After I moved back from Sweden in year 1986, I continued to read books in Swedish and tried even some Norwegian books as well, but that didn’t amount to much more than an experiment.
Danish was the third, and it took me a little over one week to finish. I find it clearly harder than Swedish or Norwegian, but Duolingo’s Danish course is very short and doesn’t include, for example, numerals, which are kind of wild. You can read about them in Finnish in Tanskan oudot lukusanat and a short clip below compares them to some other languages.
Portuguese was the first Duolingo language course I finished, even before Spanish, but it amounted to only 40 LinkedIn score level a few years ago. Also other Duolingo courses have had updates and additions, but so far only Portuguese after I have finished them.