Melbourne is ranked the 2nd best city for students and is home to 7 universities in the QS World University Rankings. The highest ranked university is the University of Melbourne at 33rd in the world. Tuition averages $22,700 USD per year. Melbourne has the world's 4th largest tram system and temperatures can reach 46.4°C, with 48% of residents born overseas contributing to its multicultural vibe and street art scene. It also has more restaurants and cafes per capita than any other global city.