Electricity generation. The production of electricity in 2013 was 23,322TWh. Sources of electricity were coal and peat 41%, natural gas 22%, hydroelectric 16%, nuclear power 11%, oil 4%, biomass and waste 2% and other sources 4%.
The nine Supreme Court Justices on the Supreme Court of the United States are the final arbiters on whether or not a law passed by the legislative branch is constitutional.
Ever since Justice Antonin Scalia passed away in February 2016, the Supreme Court has had just eight justices. While the number of justices has fluctuated over the years, there may soon be nine now that President Donald Trump has nominated Judge Neil Gorsuch to the court. The original U.S. Constitution did not set the number of justices on the Supreme Court.