1915 Portuguese legislative election

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Turnout	59.9% (22.8pp)
Majority party Minority party Third party   Leader Afonso Costa António José de Almeida Manuel de Brito Camacho Party Democratic Evolutionist Republican Union Last election 68 (Chamber) 24 (Senate) 41 (Chamber) 16 (Senate) 36 (Chamber) 18 (Senate) Seats won 106 (Chamber) 45 (Senate) 26 (Chamber) 9 (Senate) 15 (Chamber) 11 (Senate)   Fourth party Fifth party   PSP CCP Leader Central commission[n 1] Party Socialist Catholic Centre Last election 2 (Chamber) 2 (Senate) New Seats won 2 (Chamber) 0 (Senate) 1 (Chamber) 1 (Senate)
Colours denote the winning party, as shown in the main table of results.
Prime Minister before election José de Castro Democratic Prime Minister after election Afonso Costa Democratic

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Parliamentary elections were held in Portugal on 13 June 1915.^[1] The result was a victory for the Democratic Party, which won 106 of the 163 seats in the Chamber of Deputies and 45 of the 69 seats in the Senate.^[2]

Results

Party		Chamber of Deputies				Senate
		Votes	%	Seats	+/–	Seats	+/–
	Democratic Party			106	+38	45	+21
	Evolutionist Party			26	–15	9	–7
	Republican Union			15	–21	11	–7
	Portuguese Socialist Party			2	0	0	–2
	Catholic Centre Party			1	New	1	New
	Other parties and independents			13	+7	3	–3
Invalid/blank votes			–	–		–	–
Total		282,387	100	163		69
Registered voters/turnout		471,557	59.9	–		–
Source: Nohlen & Stöver