District 21 (Chamber of Deputies of Chile)

District 21 () is one of the 28 multi-member electoral districts of the Chamber of Deputies, the lower house of the National Congress, the national legislature of Chile. The district was created by the 2015 electoral reform and came into being at the following general election in 2017. It consists of the provinces of Arauco and Biobío, and the commune of Lota in the province of Concepción in the region of Biobío. The district currently elects five of the 155 members of the Chamber of Deputies using the open party-list proportional representation electoral system. At the 2021 general election the district had 542,026 registered electors.

History District 21 was one of 28 electoral districts established by Ley N°20.840 passed by the National Congress in January 2015. It consisted of the communes of Alto Biobío, Antuco, Arauco, Cañete, Contulmo, Curanilahue, Laja, Lebu, Los Álamos, Los Ángeles, Lota, Mulchén, Nacimiento, Negrete, Quilaco, Quilleco, San Rosendo, Santa Bárbara, Tirúa and Tucapel in the region of Biobío. In September 2018 the province of Ñuble was promoted to region status. As a result, the communes of Cabrero and Yumbel, which were located in the province of Biobío but were in District 19, were transferred from District 19 to District 21.

Electoral system District 21 currently elects five of the 155 members of the Chamber of Deputies using the open party-list proportional representation electoral system. Parties may form electoral pacts with each other to pool their votes and increase their chances of winning seats. However, the number of candidates nominated by an electoral pact may not exceed the maximum number of candidates that a single party may nominate. Seats are allocated using the D'Hondt method.

Election results Summary Election Apruebo DignidadAD / FA Green EcologistsPEV New Social PactNPS / NM DemocraticConvergenceCD Chile VamosPodemos / Vamos Party of the PeoplePDG Christian Social FrontFSC colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats2021 24,262 12.36% 1 11,252 5.73% 0 45,472 23.16% 1 42,667 21.73% 1 26,466 13.48% 1 42,930 21.87% 12017 13,502 7.08% 0 72,812 38.18% 2 25,286 13.26% 1 75,420 39.54% 2

Detailed 2021 Results of the 2021 general election held on 21 November 2021:

Party Pact Party PactVotes per province Totalvotes % Seats Votes % SeatsArauco Biobío Concep-ción(part) Christian Democratic Party PDC rowspan=5 New Social Pact 5,381 11,480 2,688 19,549 9.96% 1 45,472 23.16% 1 Liberal Party of Chile PL 681 9,722 152 10,555 5.38% 0 Party for Democracy PPD 2,114 3,857 544 6,515 3.32% 0 Socialist Party of Chile PS 1,327 4,192 949 6,468 3.29% 0 Radical Party of Chile PR 475 1,775 135 2,385 1.21% 0 Republican Party REP rowspan=2 Christian Social Front 4,275 22,294 753 27,322 13.92% 1 42,930 21.87% 1 Christian Conservative Party PCC 4,140 9,729 1,739 15,608 7.95% 0 Independent Democratic Union UDI rowspan=3 Chile Podemos + 13,963 10,233 1,286 25,482 12.98% 1 42,667 21.73% 1 National Renewal RN 2,174 6,721 2,677 11,572 5.89% 0 Evópoli EVO 897 4,512 204 5,613 2.86% 0 Party of the People PDG 5,984 18,319 2,163 26,466 13.48% 1 26,466 13.48% 1 Social Convergence CS rowspan=3 Apruebo Dignidad 2,834 7,810 3,036 13,680 6.97% 1 24,262 12.36% 1 Communist Party of Chile PC 4,292 2,938 773 8,003 4.08% 0 Social Green Regionalist Federation FREVS 680 1,651 248 2,579 1.31% 0 Green Ecologist Party PEV 2,906 7,403 943 11,252 5.73% 0 11,252 5.73% 0 Patriotic Union UPA 1,002 1,950 335 3,287 1.67% 0 3,287 1.67% 0Valid votes 53,125 124,586 18,625 196,336 100.00% 5 196,336 100.00% 5Blank votes 6,467 13,682 1,452 21,601 9.33% Rejected votes – other 3,865 8,260 1,479 13,604 5.88% Total polled 63,457 146,528 21,556 231,541 42.72% Registered electors 147,120 347,460 47,446 542,026 Turnout 43.13% 42.17% 45.43% 42.72%

The following candidates were elected: Karen Medina (PDG), 10,066 votes; Joanna Pérez (PDC), 19,549 votes; Clara Sagardía (CS), 8,996 votes; Cristóbal Urruticoechea (REP), 22,814 votes; and Flor Weisse (UDI), 21,816 votes.

2017 Results of the 2017 general election held on 19 November 2017:

Party Pact Party PactVotes per province Totalvotes % Seats Votes % SeatsArauco Biobío Concep-ción(part) Independent Democratic Union UDI rowspan=3 Chile Vamos 20,729 14,979 7,225 42,933 22.51% 1 75,420 39.54% 2 National Renewal RN 2,438 24,849 623 27,910 14.63% 1 Evópoli EVO 517 2,931 1,129 4,577 2.40% 0 Socialist Party of Chile PS rowspan=4 Nueva Mayoría 14,625 12,507 4,806 31,938 16.75% 1 72,812 38.18% 2 Social Democrat Radical Party PRSD 3,506 26,535 419 30,460 15.97% 1 Party for Democracy PPD 3,869 2,604 1,005 7,478 3.92% 0 Communist Party of Chile PC 1,065 1,151 720 2,936 1.54% 0 Christian Democratic Party PDC Democratic Convergence 5,682 16,455 3,149 25,286 13.26% 1 25,286 13.26% 1 Green Ecologist Party PEV rowspan=3 Broad Front 1,797 3,688 683 6,168 3.23% 0 13,502 7.08% 0 Equality Party IGUAL 1,598 3,168 882 5,648 2.96% 0 Humanist Party PH 532 892 262 1,686 0.88% 0 Progressive Party PRO All Over Chile 1,166 2,198 342 3,706 1.94% 0 3,706 1.94% 0Valid votes 57,524 111,957 21,245 190,726 100.00% 5 190,726 100.00% 5Blank votes 4,070 7,917 1,148 13,135 6.15% Rejected votes – other 2,878 5,523 1,338 9,739 4.56% Total polled 64,472 125,397 23,731 213,600 44.48% Registered electors 142,473 289,618 48,093 480,184 Turnout 45.25% 43.30% 49.34% 44.48%

The following candidates were elected: Manuel Monsalve (PS), 19,632 votes; Iván Norambuena (UDI), 33,261 votes; Joanna Pérez (PDC), 12,035 votes; José Pérez (PRSD), 27,066 votes; and Cristóbal Urruticoechea (RN), 22,190 votes.

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