Strictly speaking, the party needs just 20 seats to secure an overall majority.
Times, Sunday Times (2013)
The Republicans need to win 41 to secure a majority.
Times, Sunday Times (2010)
As a result, the chances of one party securing an overall majority in May are small.
Times, Sunday Times (2015)
Definition of 'majority'
majority
(mədʒɒrɪti, US -dʒɔːr-)Explore 'majority' in the dictionary
countable noun
A majority is the difference between the number of votes or seats in parliament or legislature that the winner gets in an election, and the number of votes or seats that the next person or party gets.