I watched the first minute or so of this, but it became quickly apparent that this person is not one to learn this topic from. He led with "view/rage bate", had outdated numbers, and ignored that Purchasing Power Parity is an important factor for doing these comparisons. Another compounding factor is that different countries classify different activities as defense or not.

https://cepr.org/voxeu/columns/debating-defence-budgets-why-...