Britain's electoral system leads to large stemmespild and favors the country's two largest parties.

The british voters do not have the opportunity to directly vote on who they would prefer as the country's next prime minister.

instead, they choose their preferred candidate in their own constituency.

Here you can learn about the british electoral system:

* There are 650 constituencies, each of which represents one seat in the house of Commons.

* the Winner of a constituency runs with it all and become the member of the house of Commons, who, together with the house of lords, constitute the british parliament.

* the British call this valgprincip of the "First Past The Post".

* the System favors the major parties in an election. In the Uk, it is about The Conservative Party and the Labour party.

* the Electoral system leads to large stemmespild for some candidates and parties, since, despite millions of votes can end up with a few seats. Conversely, parties with relatively few votes, end up with several seats in the house of Commons.

* If a party gets more than half of the seats in the parliament - that is to say the 326 pieces - can be the party's candidate for prime minister to form a government.

* You must be at least 18 years old on election day registered and choose to vote. In addition to uk nationals, nationals from the republic of Ireland and Commonwealth countries, when certain conditions are met, the voice.

* There are almost 46 million registered voters.

Sources: The british parliament, the british electoral commission, the uk statistical office (ONS), told Reuters.

/ritzau/