Uzbekistan electricity producer in Central Asia. Renewable energy constitutes more than 23% of the country's energy sector, with hydroelectricity and solar energy having 21.4% and 2% respectively. Uzbekistan has an area of . It is the 56th largest country in the world by area and the 42nd by population. Among the CIS countries, it is the 4th largest by area and the 2nd largest by population. Uzbekistan lies between latitudes 37° and 46° N, and longitudes 56° and 74° E. It stretches from west to east and from north to south. Bordering Kazakhstan and the Aral Sea to the north and
Science and technology in Uzbekistan field of science and gender, 2013 or closest year Source: "UNESCO Science Report: towards 2030" (2015), Table 14.1 Since 2012, Uzbekistan has ceded its lead to Kazakhstan for the number of published scientific articles, according to Thomson Reuters’ Web of Science, Science Citation Index Expanded. Even taking population into account, Kazakhstan’s output is now much higher than that of its neighbour, with 36 articles per million inhabitants, compared to 11 for Uzbekistan. The majority of scientific papers focus on physics (35%) and chemistry (21%), a pattern also found in Kazakhstan. Since 2006, the rate of international collaboration has remained steady,