Question: What was the 2018 population of the host country for the 1920 Summer Olympics, that featured the nation formerly housing the organization that gave Britain the right to rule Palestine?

<P0-S0> be The flag's official proportions of 13: 15 are rarely seen; proportions of 2: 3 or similar are more common. <P0-S1> The Brussels region is the de facto capital, but the City of Brussels municipality is the de jure capital. <P0-S2> The. <P0-S3> eu domain is also used, as it is shared with other European Union member states. <P0-S4> Kingdom of Belgium Koninkrijk België (Dutch) Royaume de Belgique (French) Königreich Belgien (German) Flag Coat of arms Motto: ``Eendracht maakt macht ''(Dutch)`` L'union fait la force'' (French) ``Einigkeit macht stark ''(German)`` Unity makes Strength'' Anthem: ``La Brabançonne ''`` The Brabantian'' Location of Belgium (dark green) -- in Europe (green & dark grey) -- in the European Union (green) Capital and largest city Brussels 50 ° 51 ′ N 4 ° 21 ′ E ﻿ / ﻿ 50.850 ° N 4.350 ° E ﻿ / 50.850; 4.350 Official languages Dutch French German Ethnic groups see Demographics Religion (2015) 60.7% Christianity 32.0% No religion 5.2% Islam 2.1% Other religions Demonym Belgian Government Federal parliamentary constitutional monarchy Monarch Philippe Prime Minister Charles Michel Legislature Federal Parliament Upper house Senate Lower house Chamber of Representatives Independence (from the Netherlands) Declared 4 October 1830 Recognised 19 April 1839 Area Total 30,528 km (11,787 sq mi) (136th) Water (%) 6.4 Population 1 August 2018 census 11,420,163 (79th) Density 374.2 / km (969.2 / sq mi) (36th) GDP (PPP) 2018 estimate Total $550.664 billion (38th) Per capita $48,258 (20th) GDP (nominal) 2016 estimate Total $562.229 billion (23rd) Per capita $49,272 (17th) Gini (2011) 26.3 low HDI (2017) 0.916 very high 17th Currency Euro (€) (EUR) Time zone UTC + 1 (CET) Summer (DST) UTC + 2 (CEST) Driving side right Calling code + 32 ISO 3166 code BE Internet TLD. <SEP> <P1-S0> Geneva is the birthplace of the Red Cross and Red Crescent Movement and the Geneva Conventions and, since 2006, hosts the United Nations Human Rights Council. <P1-S1> A large number of international institutions have their seats in Switzerland, in part because of its policy of neutrality. <P1-S2> Even though Switzerland is one of the most recent countries to have joined the United Nations, the Palace of Nations in Geneva is the second biggest centre for the United Nations after New York, and Switzerland was a founding member and home to the League of Nations. <SEP> <P2-S0> the jewish legion, a group primarily of zionist volunteers, assisted, in 1918, in the british conquest of palestine. <P2-S1> arab opposition to british rule and jewish immigration led to the 1920 palestine riots and the formation of a jewish militia known as the haganah (meaning "the defense" in hebrew), from which the irgun and lehi, or stern gang, paramilitary groups later split off. <P2-S2> in 1922, the league of nations granted britain a mandate over palestine under terms which included the balfour declaration with its promise to the jews, and with similar provisions regarding the arab palestinians. <P2-S3> the population of the area at this time was predominantly arab and muslim, with jews accounting for about 11%, and arab christians at about 9.5% of the population. <SEP> <P3-S0> the united states gave women equal voting rights in all states with the nineteenth amendment ratified in 1920. canada and a few latin american nations passed women's suffrage before world war ii while the vast majority of latin american nations established women's suffrage in the 1940s (see table in summary below). <P3-S1> the last latin american country to give women the right to vote was paraguay in 1961. <SEP> <P4-S0> Switzerland competed at the 1920 Summer Olympics in Antwerp, Belgium. <P4-S1> 77 competitors, all men, took part in 45 events in 13 sports. <SEP> <P5-S0> The document was based on the principles contained in Article 22 of the draft Covenant of the League of Nations and the San Remo Resolution of 25 April 1920 by the principal Allied and associated powers after the First World War. <P5-S1> The mandate formalised British rule in the southern part of Ottoman Syria from 1923 -- 1948.