[endulundaSauh]

Does the Washington Red Skin crowd from the photo i posted mirrors the demographic percentage above, obviously not. Therefore, whenever someone post internet photos of crowds, i take it as a grain of salt until i visit the country and its many different regions, and have a basic understanding of the actual demographics.
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Yes i think even crowd pictures can be misleading if you want to get a perfectly representative view of population composition in one particular place or region. It depends on the popularity of the sport with all social segments and also if their incomelevel allows them to buy tickets. In case of Brazil, football is king of course . I think ticket prices are generally low and affordable in Brazil except maybe for the extremely poor segments of society.

Expensive ticket prices for the upcoming Worldcup might however produce unrepresentative crowd pictures

However, i am not suggesting the poster is actual wrong, because he knows his country better than me obviously, and i also heard southern brazil is far more European influence than most of the country, but at the same time it is better to visit the country and see things for yourself and get a better perspective of the people, culture and demographics of the nation.

True, personal observation when travelling is valuable but even then you might get wrong impressions depending on which exact places/neighboorhoods you visit and even at which times The phenotypical composition of the people you would see on the streets etc. might change susbstantially accordingly.

For example there's a big Bolivian migrant community (estimated 200.000) in Sao Paulo, they are usually employed in illegal textile sweathops making long hours. These sweatshops are often run by brazilian Koreans and i suspect they would be concentrated in a particular neighboorhood (maybe Liberade?). And probably most of the Bolivians would also be living nearby.

I imagine because of their long working hours and also their concentration within certain neighboorhoods Bolivian visilibility on the streets might not correspond with their actual share in population. Any unsuspecting tourist staying in Sao Paulo for a couple of days could very well never meet any Bolivian and never be aware of their presence. Maybe any of our resident Paulistano posters can jump in and give more info