In politics

Politics

Politics is a process by which groups of people make collective decisions. The term is generally applied to the art or science of running governmental or state affairs, including behavior within civil governments, but also applies to institutions, fields, and special interest groups such as the...

, a red-red coalition is a coalition government

Coalition government

A coalition government is a cabinet of a parliamentary government in which several political parties cooperate. The usual reason given for this arrangement is that no party on its own can achieve a majority in the parliament...

 composed of social-democratic

Social democracy

Social democracy is a political ideology of the center-left on the political spectrum. Social democracy is officially a form of evolutionary reformist socialism. It supports class collaboration as the course to achieve socialism...

 parties allying themselves with more radical democratic socialist

Democratic socialism

Democratic socialism is a description used by various socialist movements and organizations to emphasize the democratic character of their political orientation...

 or socialist

Socialism

Socialism is an economic system characterized by social ownership of the means of production and cooperative management of the economy; or a political philosophy advocating such a system. "Social ownership" may refer to any one of, or a combination of, the following: cooperative enterprises,...

 parties, a coalition that spans the centre-left

Centre-left

Centre-left is a political term that describes individuals, political parties or organisations such as think tanks whose ideology lies between the centre and the left on the left-right spectrum...

 to the left

Left-wing politics

In politics, Left, left-wing and leftist generally refer to support for social change to create a more egalitarian society...

 or far left

Far left

Far left, also known as the revolutionary left, radical left and extreme left are terms which refer to the highest degree of leftist positions among left-wing politics...

.

A specific example of a red-red coalition comes from the politics of Germany

Politics of Germany

The Federal Republic of Germany is a federal parliamentary republic, based on representative democracy. The Chancellor is the head of government, while the President of Germany is the head of state, which is a ceremonial role but with substantial reserve powers.Executive power is vested in the...

, formed from the Social Democratic Party of Germany

Social Democratic Party of Germany

The Social Democratic Party of Germany is a social-democratic political party in Germany...

 (SPD) and The Left

The Left (Germany)

The Left , also commonly referred to as the Left Party , is a democratic socialist political party in Germany. The Left is the most left-wing party of the five represented in the Bundestag....

 party or its predecessor, the Party of Democratic Socialism (PDS). Red-red coalitions form state-level governments in Brandenburg

Brandenburg

Brandenburg is one of the sixteen federal-states of Germany. It lies in the east of the country and is one of the new federal states that were re-created in 1990 upon the reunification of the former West Germany and East Germany. The capital is Potsdam...

, and historically have governed Berlin

Berlin

Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

 (2001-2011), Mecklenburg-Vorpommern (1998-2006) and (as a SPD minority government

Minority government

A minority government or a minority cabinet is a cabinet of a parliamentary system formed when a political party or coalition of parties does not have a majority of overall seats in the parliament but is sworn into government to break a Hung Parliament election result. It is also known as a...

 tolerated by the PDS) Saxony-Anhalt

Saxony-Anhalt

Saxony-Anhalt is a landlocked state of Germany. Its capital is Magdeburg and it is surrounded by the German states of Lower Saxony, Brandenburg, Saxony, and Thuringia.Saxony-Anhalt covers an area of...

(1994-2002).