British university students are still angered by the government's decision to allow universities to raise tuition fees by as much as 200 percent. Student groups such as the National Union of Students (NUS) have held numerous protests in cities, some of which have drawn up to 50,000 people. In the United States, tuition costs vary widely from one university to another. Tuition costs are different around the world. In some countries, university education is paid for by the government.