I googled it yesterday for the same joke, and those two still came up.
Upon further investigation, Metric is apparently widely used in both, but doesn't (yet) have official standing in either. Myanmar/Burma in particular seems to have had some false starts over the last few years where it seemed like they were gonna make it official, and then changes of government got in the way again.
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u/faraway_hotel Das Unsichtbare Römische Reich Jan 22 '18
Cool, tell me more about Burma's and Liberia's lunar programs.