World University Rankings are rankings of institutions in higher education ordered by various academic factors based on the core missions of universities including teaching, research, knowledge transfer and international outlook. This study compared the calibrated performance indicators of major higher education world university rankings by examining a broad literature and researches. It was found that World University Rankings have produced numerous debates and criticisms concerning rankings’ usefulness and accuracy mainly because the expanding diversity in rating methodologies and indicators. It was suggested that methodological improvements and ranking by subject discipline are needed to provide more objective reference for diverse performance in universities worldwide.