In an electoral system, a deposit is the sum of money that a candidate for an elected office, such as a seat in a legislature, is required to pay to an electoral authority before he or she is permitted to stand for election.
In the typical case, the deposit collected is repaid to the candidate after the poll if the candidate obtains a specified proportion of the votes cast. The purpose of the deposit is to reduce the prevalence of 'fringe' candidates or parties with no realistic chance of winning a seat. If the candidate does not achieve the refund threshold, the deposit is forfeited.
In Australia, a candidate for either the Australian House of Representatives or the Australian Senate is required to pay a deposit of $2,000. The deposit is refunded if the candidate or group gains at least 4% of first preference votes in the relevant electoral division. The states have other deposit requirements and repayment thresholds.
In Canada, there is no longer a deposit requirement for federal elections. On October 25, 2017 the judge presiding over Szuchewycz v. Canada  found that the deposit requirement infringed Section 3 of the Canadian Charter of Rights and Freedoms and could not be justified under Section 1 of the Canadian Charter of Rights and Freedoms. The successful Charter challenge of the deposit requirement was undertaken by self-represented Edmontonian Kieran Szuchewycz who had failed to meet the candidacy requirements for the 2015 Canadian federal election when attempting to run against the former prime minister Stephen Harper in the Calgary electoral district of Calgary Heritage.
Before the Szuchewycz v. Canada ruling, a candidate for Member of Parliament needed to place a $1,000 deposit. Failure to reach a set percentage of the vote, either 10% or 15% depending on the era, would have their deposits forfeited.
Each list of candidates for the Legislative Council of Hong Kong is subject to a deposit of HK$50,000 for a geographical constituency, and HK$25,000 for a "functional constituency". The deposit is forfeited should the list (or candidate) fail to secure at least 3% of the valid votes cast in the constituency. For District Council elections, the deposit amount is HK$3000.
In the Republic of India, candidates for election to the lower house of the parliament – Lok Sabha – must pay a security deposit of ₹25,000. For state assembly elections the amount is ₹10,000. For Scheduled castes and scheduled tribes candidates the amounts are 12,500 and 5,000 respectively. Any candidate who fails to secure more than one-sixth (16.6%) of the total valid votes cast in a first-past-the-post voting system would both forfeit his or her deposit and bail rights.
Republic of Ireland
In the Republic of Ireland, candidates for election to Dáil Éireann who have been nominated by political parties registered to contest Dáil elections, as well as non-party candidates who are able to provide detailed information of 30 electors in the constituency who have assented to their nomination, are not required to pay a deposit. Candidates who fail to meet either of these criteria, however, must pay a deposit of €500. This follows a High Court ruling; the court found that the obligatory payment of deposits by all candidates was repugnant to the Constitution of Ireland.
Candidates who paid the deposit are returned if their final vote total, under the single transferable vote electoral system, exceeds one-quarter of the Droop quota for their constituency; i.e. in a four-seat constituency, the quota is 20% therefore the deposit threshold is 5%. This is also the threshold that candidates' votes must exceed in order for them to claim an election expenses allowance from the State.
Japan’s electoral deposit is the most expensive by far among the countries having such a system.
Currently, a candidate for a constituency seat of the lower house or the upper house must place a ¥3 million deposit. It is refunded provided that the lower house candidate gains one-tenth (10%) or more of the total valid votes cast in the constituency, or provided that the upper house candidate gains one-eighth (12.5%) or more of the total valid votes divided by the number of the seats for the constituency. The deposit for a proportional seat of both houses is ¥6 million and the refund would depend on the number of seats that the party won. It is refunded in full amount if half or more of its candidates won seats.
Local elections including gubernatorial and mayoral elections also have the deposit system with the amounts ranging from ¥300,000 to ¥3 million. For town and village council elections, candidates are not required to pay deposit.
The deposit system in Japan, modelled on that of the UK, was introduced as part of the General Election Law of 1925 to prevent frivolous candidates from running simply for publicity or to disrupt election campaigns. However, it is sometimes claimed that its real purpose is to limit the number of candidates and make sure that those with financial power also hold political power. Hiroshi Kamiwaki, a professor specializing in the Constitution at Kobe Gakuin University, has argued that it is against Article 44 of the Constitution, which prohibits discrimination concerning the eligibility of lawmakers based on property and income.
In South Korea, candidates for election to a constituency seat of the National Assembly must pay a deposit of 15 million won, which is reimbursed in full if they obtain at least 15% of the valid votes cast. Half of the amount is reimbursed if they receive over 10% but less than 15% of the votes. Candidates running for proportional seats are also required to pay the same amount, which can be reimbursed if the party represented wins at least one seat.
In Malaysia, the deposit is RM 10,000 to contest a parliamentary seat and RM 5,000 to contest a state assembly seat (increased from RM 5,000 and RM 3,000, respectively, in 2004). Since 2004, it was required that each candidate provide an additional RM 5,000 deposit for cleaning up banners and posters after the election. This increase is seen by some as having led to the government winning a record number of seats without contest in 2004 (17 parliamentary seats were won without contest). The deposit is used to pay for infringements of election laws and is returned after polling day unless the candidate loses and fails to garner more than one-eighth of the votes cast.
In New Zealand Parliament elections, registered parties may submit a party list on payment of a $1,000 deposit. This deposit is refunded if the party reaches 0.5% of the party votes. The deposit for an electorate candidate is $300 which is refunded if the candidate reaches 5%.
In Singapore, the election deposit per candidate for the Parliament is 8 per cent of the total allowances paid to a Member of Parliament in the preceding year, rounded to the nearest $500. The deposit varies in each case:
- In the previous general election on 2015, and in the recent by-election in 2016, the figures were S$14,500 and S$13,500, respectively.
- For Group Representative Constituencies, the deposit amount is multiplied by the number of MPs in that GRC.
- For Presidential Elections, the deposit amount is tripled. For instance, in 2011, the figure was S$48,000 (which is a triple of S$16,000, the same deposit allocated for GE2011 held on the same year). In the 2017 elections (elected by uncontested walkover), the figure was S$43,500 (which is a triple of S$14,500).
In all cases, candidates who fail to secure at least one-eighth (12.5%) of the valid votes in their constituencies will have their deposit forfeited.
Since 1985 the deposit in elections to the House of Commons has been £500, which must be handed in, in cash, banker's draft, or other forms of legal tender, when the candidate submits nomination papers. It is refunded if the candidate gains 5% or more of the valid votes cast.
Between 1918 and 1985, the cost was £150 — in 1918 this equates to £7,200 in 2018, when adjusted for inflation. By 1985, inflation had eroded the value to equate to £400 in 2018 (real terms). The threshold for refunding the candidate's money was higher: winning ⅛ (12.5%) of valid votes cast.
Deposits must also be paid by candidates for election to:
- the Scottish Parliament,
- the National Assembly for Wales,
- the London Assembly,
- the Northern Ireland Assembly,
A £5,000 deposit must be paid by candidates for election to:
- Police and Crime Commissioner of the police areas of England and Wales
- Mayor of a combined authority.
- the Mayoralty of London
- To run a party list to the European Parliament.
Loss of major parties' candidate's deposit is regarded as an embarrassment. The deposit has been criticised for making it difficult for smaller parties to engage in politics and the Electoral Commission has suggested scrapping them for general elections.
Deposits are not required to pay for candidates standing in council elections.
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