the 2022 Libertarian National Convention, the Mises Caucus, a paleolibertarian faction, became the dominant faction on the Libertarian National Committee. Chicago school of economics economist Milton Friedman made the distinction between being part of the American Libertarian Party and "a libertarian with a small 'l'," where he held libertarian values but belonged to the American Republican Party. Contemporary libertarian organizations Current international anarchist federations which identify themselves as libertarian include the International of Anarchist Federations, the International Workers' Association and International Libertarian Solidarity. The largest organized anarchist movement today is in Spain, in the form of the Confederación General del Trabajo (CGT) and the Confederación Nacional del Trabajo (CNT). CGT membership was estimated to be around 100,000 for 2003. Other active syndicalist movements include the Central Organisation of the Workers of Sweden and the Swedish Anarcho-syndicalist Youth Federation in Sweden; the Unione Sindacale Italiana in Italy; Workers Solidarity Alliance in the United States; and Solidarity Federation in the United Kingdom. The revolutionary industrial unionist Industrial Workers of the World claiming 2,000 paying members as well as the International Workers' Association, remain active. In the United States, there exists the Common Struggle – Libertarian Communist Federation. Since the 1950s, many American libertarian organizations have adopted a free-market stance as well as supporting civil liberties and non-interventionist foreign policies. These include the Ludwig von Mises Institute, Francisco Marroquín University, the Foundation for Economic Education, Center for Libertarian Studies, the Cato Institute and Liberty International. The activist Free State Project, formed in 2001, works to bring 20,000 libertarians to New Hampshire to influence state policy. Active student organizations include Students for Liberty and Young Americans for Liberty. A number of countries have libertarian parties that run candidates for political office. In the United States, the Libertarian Party was formed in 1972 and is the third largest American political party, with 511,277 voters (0.46% of total electorate) registered as Libertarian in the 31 states that report Libertarian registration statistics and Washington, D.C. Criticism Criticism of libertarianism includes ethical, economic, environmental, pragmatic and philosophical concerns, especially in relation to right-libertarianism, including the view that it has no explicit theory of liberty. It has been argued that laissez-faire capitalism does not necessarily produce the best or most efficient outcome,Liu, Eric; Hanauer, Nick (7 May 2016). "Complexity Economics Shows Us Why Laissez-Faire Economics Always Fails" . Evonomics. Retrieved 10 February 2020. nor does its philosophy of individualism