1963 Italian general election|
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| Registered | 34,199,184 (C) · 31,019,23	(S) | 
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| Turnout | 31,766,009 (C) · 92.9%  (0.9 pp) 28,872,052 (S) · 93.1%  (0.9 pp)
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|  | Majority party | Minority party | Third party |  
|  |  |  |  |  
| Leader | Aldo Moro | Palmiro Togliatti | Pietro Nenni |  
| Party | DC | PCI | PSI |  
| Leader since | 16 March 1959 | 15 May 1943 | 16 May 1949 |  
| Leader's seat | Bari (C) | Rome (S) | Milan (C) |  
| Seats won | 260 (C) / 129 (S) | 166 (C) / 84 (S) | 87 (C) / 44 (S) |  
| Seat change | 13 (C) / 6 (S) | 26 (C) / 25 (S) | 3 (C) / 9 (S) |  
| Popular vote | 11,773,182 (C) 10,017,975 (S)
 | 7,767,601 (C) 6,461,616 (S)
 | 4,255,836 (C) 3,849,440 (S)
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| Percentage | 38.3% (C) 36.5% (S)
 | 25.3% (C) 23.5% (S)
 | 13.8% (C) 14.0% (S)
 |  
| Swing | 4.1 pp (C) 4.7 pp (S)
 | 2.6 pp (C) 1.7 pp (S)
 | 0.4 pp (C) 0.1 pp (S)
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|  | Fourth party | Fifth party | Sixth party |  
|  |  |  |  |  
| Leader | Giovanni Malagodi | Giuseppe Saragat | Arturo Michelini |  
| Party | PLI | PSDI | MSI |  
| Leader since | 4 April 1954 | 11 April 1957 | 10 October 1954 |  
| Leader's seat | Milan (C) | Turin (C) | Rome (C) |  
| Seats won | 39 (C) / 18 (S) | 33 (C) / 14 (S) | 27 (C) / 14 (S) |  
| Seat change | 22 (C) / 14 (S) | 11 (C) / 9 (S) | 3 (C) / 6 (S) |  
| Popular vote | 2,144,270 (C) 2,043,323 (S)
 | 1,876,271 (C) 1,743,870 (S)
 | 1,570,282 (C) 1,458,917 (S)
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| Percentage | 7.0% (C) 7.4% (S)
 | 6.1% (C) 6.4% (S)
 | 5.1% (C) 5.3% (S)
 |  
| Swing | 3.5 pp (C) 3.5 pp (S)
 | 1.5 pp (C) 1.9 pp (S)
 | 0.3 pp (C) 0.9 pp (S)
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Results of the election in the Chamber and Senate.  
Seat distribution for the Chamber of Deputies (left) and Senate (right). | 
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The 1963 Italian general election was held on Sunday April 28. It was the first election with a fixed number of MPs to be elected, as decided by the second Constitutional Reform in February 1963. It was also the first election which saw the Secretary of Christian Democracy to refuse the office of Prime Minister after the vote, at least for six months, preferring to provisionally maintain his more influent post at the head of the party: this fact confirmed the transformation of Italian political system into a particracy, the secretaries of the parties having become more powerful than the Parliament and the Government.