True. Brown hair is more common in the Western World. Mainly in Europe, the US and some areas in the Greater Middle East.
I have brown hair unlike my sister who is blonde Oh, interesting. Were you aware that brown hair is second only to black in commonality? yes.  it is strange - I wonder where red hair comes from I have no idea, but I can tell you that brown hair has more eumelanin and less pheomelanin. Yes it is interesting how certain countries tend to have more of certain hair colors
Brown hair is common among populations in the Western world, especially among those from Central Europe, Southeastern Europe, Eastern Europe, Southern Europe, Southern Cone, the United States, and also some populations in the Greater Middle East where it transitions smoothly into black hair.