LU is the only higher education establishment in Latvia to be included in the main rankings.
Last year, LU was ranked in the 701 to 800 range, where it has been since 2013. However, this year LU has moved up to the 615 to 700 range.
LU was rated particularly highly for internationalization, facilities, teaching and innovation, while "The UL’s provision of educational postgraduate programmes reflects a dynamic process of evaluation within past 10 years," the website said.
Seven higher education establishments from the Baltics have been included in the rankings, with Tartu University in Estonia ranked the highest - 347th place. Meanwhile, Vilnius University is ranked in the 481 to 490 range.
This year, the world's top university is the Massachusetts Institute of Technology (US), followed by Stanford University (US) and Harvard University (US).
The World University Rankings have been drawn up since 2004, assessing some 900 universities in a range of six subject areas.