The new pope is elected by cardinals under the age of 80. Here is a breakdown by region and country of the cardinal electors expected to attend the conclave, followed by a list of the 117 electors and of the 66 cardinals aged 80 and over.

CARDINAL ELECTORS BY COUNTRY:

Note that Pope John Paul II has kept secret — or "in pectore," in the chest — the name of one of the cardinals he nominated.

EUROPE, 58

Italy, 20

Germany, 6

Spain, 6

France, 5

Poland, 3

Britain, 2

Hungary, 2

Portugal, 2

Ukraine, 2

Austria,1

Belgium, 1

Bosnia-Herzegovina, 1

Crotia, 1

Czech Republic, 1

Ireland, 1

Latvia, 1

Lithuania, 1

Netherlands, 1

Switzerland, 1

LATIN AMERICA AND THE CARIBBEAN, 21

Brazil, 4

Mexico, 4

Colombia, 3

Chile, 2

Argentina, 1

Bolivia, 1

Dominican Republic, 1

Cuba, 1

Guatemala, 1

Honduras, 1

Nicaragua, 1

Peru, 1

NORTH AMERICA, 14

United States, 11

Canada, 3

AFRICA, 11

Nigeria, 2

Cameroon, 1

Democratic Republic of Congo, 1

Ghana, 1

Ivory Coast, 1

Madagascar, 1

South Africa, 1

Sudan, 1

Tanzania, 1

Uganda, 1

ASIA, 11

India, 3

Japan, 2

Philippines, 2

Indonesia, 1

Syria, 1

Thailand, 1

Vietnam, 1

AUSTRALIA, 2

Australia, 1

New Zealand, 1

TOTAL: 117 cardinals from 52 countries

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CARDINAL ELECTORS (name, age, nationality)

EUROPE

Francisco Alvarez Martinez, 79, Spain

Carlos Amigo Vallejo, 70, Spain

Ennio Antonelli, 68, Italy

Audrys Juozas Backis, 68, Lithuania

Philippe Xavier Ignace Barbarin, 54, France

Tarcisio Bertone, 70, Italy

Giacomo Biffi, 76, Italy

Josip Bozanic, 56, Croatia

Agostino Cacciavillan, 78, Italy

Ricardo Maria Carles Gordo, 78, Spain

Marco Ce, 79, Italy

Desmond Connell, 79, Ireland

Godfried Danneels, 71, Belgium

Salvatore De Giorgi, 74, Italy

Peter Erdo, 52, Hungary

Michele Giordano, 74, Italy

Jozef Glemp, 75, Poland

Zenon Grocholewski, 65, Poland

Julian Herranz Casado, 75, Spain

Lubomyr Husar, 72, Ukraine

Marian Jaworski, 78, Ukraine

Walter Kasper, 72, Germany

Karl Lehmann, 68, Germany

Jean-Marie Lustiger, 78, France

Franciszek Macharski, 77, Poland

Francesco Marchisano, 75, Italy

Eduardo Martinez Somalo, 78, Spain

Carlo Maria Martini, 78, Italy

Renato Raffaele Martino, 72, Italy

Joachim Meisner, 71, Germany

Cormac Murphy-O'Connor, 72, Britain

Attilio Nicora, 68, Italy

Keith Michael Patrick O'Brien, 67, Ireland

Bernard Panafieu, 74, France

Laszlo Paskai, 77, Hungary

Severino Poletto, 72, Italy

Jose da Cruz Policarpo, 69, Portugal

Mario Francesco Pompedda, 75, Italy

Paul Poupard, 74, France

Janis Pujats, 74, Latvia

Vinko Puljic, 59, Bosnia-Herzegovina

Joseph Ratzinger, 77, Germany

Giovanni Battista Re, 71, Italy

Antonio Maria Rouco Varela, 68, Spain

Camillo Ruini, 74, Italy

Jose Saraiva Martins, 73, Portugal

Cristoph Schonborn, 60, Austria

Henri Schwery, 72, Switzerland

Angelo Scola, 63, Italy

Sergio Sebastiani, 73, Italy

Crescenzio Sepe, 61, Italy

Adrianus Johannes Simonis, 73, Netherlands

Angelo Sodano, 77, Italy

Georg Maximilian Sterzinsky, 69, Germany

Jean-Louis Pierre Tauran, 61, France

Dionigi Tettamanzi, 71, Italy

Vlk Miloslav, 72, Czech Republic

Friedrich Wetter, 77, Germany

SOUTH AMERICA

Geraldo Majella Agnelo, 71, Brazil

Jorge Mario Bergoglio, 68, Argentina

Dario Castrillon Hoyos, 75, Colombia

Juan Luis Cipriani Thorne, 61, Peru

Francisco Javier Errazuriz Ossa, 71, ...