Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Report: Japan, Russia to Lose Population WASHINGTON - Japan, Germany and many other large industrialized countries face long-term population slowdowns or declines as more young adults have fewer children or delay child-rearing, demographers say.    While the world's population is expected to increase by almost 50 percent by 2050, Japan could lose 20 percent of its population over the next half-century, according to data released Tuesday by the private Population Reference Bureau...

World