All countries with the same number of visa-free access get the same rank group in Henley index, so actual position is irrelevant. If you check the webpage it s

All countries with the same number of visa-free access get the same rank group in Henley index, so actual position is irrelevant. If you check the webpage it shows South Korea above Germany, if you download the pdf on the webpage it shows Germany above South Korea. But in reality doesn't matter since it's a tie with both being in the same rank group.