In the important United States market the top places for online questions and answers applications are Answers.com, Stack Overflow, ChaCha, and Fixya. Here Answers.com reaches 42.0% of the users with 44.2% of all page views, Stack Overflow reaches 16.2% of the users with 15.6% of all page views, ChaCha reaches 64.4% of the users with 56.9% of all page views, and Fixya reaches 39.6% of the users with 44.5% of all page views. A ranking is calculated based on a combination of visitors and pageviews. On the list of most popular sites in the USA Answers.com is number 67, Stack Overflow is number 119, ChaCha is number 434, and Fixya is number 516.
In the largest market in the European Union, Germany, the leaders for online questions and answers applications are Stack Overflow, Stack Exchange, and Answers.com. Here Stack Overflow reaches 4.5% of the users with 3.9% of all page views, Stack Exchange reaches 4.1% of the users with 6.5% of all page views, and Answers.com reaches 1.0% of the users with 0.9% of all page views. A ranking is calculated based on a combination of visitors and pageviews. On the list of most popular sites in Germany Stack Overflow is number 98, Stack Exchange is number 945, and Answers.com is number 1020.
In Asia, in the upcoming market of China the top dogs for online questions and answers applications are Stack Overflow and Answers.com. Here Stack Overflow reaches 4.8% of the users with 3.8% of all page views and Answers.com reaches 0.6% of the users with 0.7% of all page views. A ranking is calculated based on a combination of visitors and pageviews. On the list of most popular sites in China Stack Overflow is number 321 and Answers.com is number 4024.
In Brazil, the most important market of South America, the two most popular sites for online questions and answers applications are Stack Overflow and Formspring.me. Here Stack Overflow reaches 2.4% of the users with 2.3% of all page views and Formspring.me reaches 6.2% of the users with 4.5% of all page views. A ranking is calculated based on a combination of visitors and pageviews. On the list of most popular sites in Brazil Stack Overflow is number 143 and Formspring.me is number 853.
The most popular in Russia for online questions and answers applications are Stack Overflow and Formspring.me. Here Stack Overflow reaches 2.2% of the users with 2.8% of all page views and Formspring.me reaches 24.4% of the users with 17.3% of all page views. A ranking is calculated based on a combination of visitors and pageviews. On the list of most popular sites in Russia Stack Overflow is number 201 and Formspring.me is number 284.
