GDP is like a speedometer: it tells you whether your economy is going faster or slower. As in cars, a speedometer is useful but doesn’t tell you everything you want to know. For example, it won’t tell you whether you are overheating, or about to run out of fuel.
https://www.weforum.org/agenda/2016/04/five-measures-of-growth-that-are-better-than-gdp
