Coppedge, Michael and Gerring, John and Knutsen, Carl Henrik and Lindberg, Staffan I. and Teorell, Jan and Altman, David and Bernhard, Michael and Fish, M. Steven and Glynn, Adam and Hicken, Allen and Lührmann, Anna and Marquardt, Kyle L. and McMann, Kelly M. and Paxton, Pamela and Pemstein, Daniel and Seim, Brigitte and Sigman, Rachel and Skaaning, Svend-Erik and Staton, Jeffrey K. and Wilson, Steven Lloyd and Cornell, Agnes and Gastaldi, Lisa and Gjerløw, Haakon and Ilchenko, Nin and Krusell, Joshua and Maxwell, Laura and Mechkova, Valeriya and Medzihorsky, Juraj and Pernes, Josefine and von Römer, Johannes and Stepanova, Natalia and Sundström, Aksel and Tzelgov, Eitan and Wang, Yi-ting and Wig, Tore and Ziblatt, Daniel, V-Dem Dataset V9 (April 1, 2019). V-Dem Working Paper Forthcoming, Available at SSRN: https://ssrn.com/abstract=3441052 or http://dx.doi.org/10.2139/ssrn.3441052