in which countries are street newspapers popular?
Germany and Sweden.
Street newspaper
They have especially proliferated in Germany, which in 1999 had more street newspapers than the rest of Europe combined, and in Sweden, where the street papers "Aluma", "Situation Sthlm" and "Faktum" won the 2006 grand prize award for journalism of the Swedish Publicists' Association
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Street newspaper [SEP] Modern street newspapers
By 2008, an estimated 32 million people worldwide read street newspapers, and 250,000 poor, disadvantaged, or homeless individuals sold or contributed to them. Street papers have been started in many major cities worldwide, mainly in the United States and Western Europe. They have especially proliferated in Germany, which in 1999 had more street newspapers than the rest of Europe combined, and in Sweden, where the street papers "Aluma", "Situation Sthlm" and "Faktum" won the 2006 grand prize award for journalism of the Swedish Publicists' Association. Street papers have been established in some cities in Canada, Africa, South America, and Asia.