Increasing problems connected with excessive Internet use can be observed all over the world. Internet addiction is defined as excessive involvement in the Internet with negative consequences. The main aim of the study was to investigate economic indicators as correlates of Internet addiction. The study was conducted in nine countries. The number of participants amounted to a total of 3,279 Internet users (54% were female), with a mean age of M = 25.14 (SD = 10.03). The authors used Young's Internet Addiction Test. In addition, some social and economic indicators characterizing the countries were taken into consideration. We found that Internet addiction was positively related to economic well-being, social progress, and human development as well as negatively related to human well-being, health, safety, and security. The results of the study contribute to the international debate on Internet addiction.