The 2019 numbers in your chart need minus signs for Germany France Holland and UK.
Rates can only get so far below 0, you’d think, so the money flows will eventually have to go to our bond market with its juicy returns of more than 1%.
You see a little of that in the chart, the biggest rate declines are the ones that started above 2.4%.
The lowest rate in the world is on Swiss bonds maturing in 9 years at -1.17%.
I read a couple days ago that $17 trillion of world gov debt now has negative yields. Corporate bonds in Europe often have negative rates too.