Developing nations were once crudely called “third world countries.”
(Yes, in the past.)
The term is offensive.
If you are using it, please drop the term. They are developing nations.
We all need to think about the words we use and the implications of them for others. This is just one example. I’m not perfect and neither is anyone else, but here’s one for your checklist.
Get on it and dump that old and offensive lingo!