Video about : Top 15 Countries by Military Spending (1914-2018)

Dec 2019
Fryslân, Netherlands
It names its sources in the description. You can check whether they match and look up whether they are considered reliable. The numbers for recent years match those of or are really close to the numbers given by other sources on the internet.
Nov 2019
United States
It's visual doesn't match the data from Jane's or any other source that I would consider highly reputable. Here is a visual from 2014 showing where the US defense spending is versus the next 9 nations in defense spending. The nation spending the next highest amount after the US is China.

Here is a similar analysis by Stockholm International Peace Initiative from 2017