| 1 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O |
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| 2 | 1961 West German federal election - Results |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3 | Parties | Parties | Constituency | Constituency | Constituency | Constituency | Constituency | Party list | Party list | Party list | Party list | Party list | Total seats | Total seats | Total seats |
| 4 | Parties | Parties | Votes | % | +/− | Seats | +/− | Votes | % | +/− | Seats | +/− | Seats | +/− | % |
| 5 | - | Social Democratic Party (SPD) | 11,672,057 | 36.5 | +4.5 | 91 | +45 | 11,427,355 | 36.2 | +4.4 | 99 | −24 | 203 | +22 | 39.0 |
| 6 | - | Christian Democratic Union (CDU) | 11,622,995 | 36.3 | −3.4 | 114 | −33 | 11,283,901 | 35.8 | −3.9 | 78 | +10 | 201 | −21 | 38.6 |
| 7 | - | Free Democratic Party (FDP) | 3,866,269 | 12.1 | +4.6 | 0 | −1 | 4,028,766 | 12.8 | +5.1 | 67 | +27 | 67 | +23 | 12.9 |
| 8 | - | Christian Social Union (CSU) | 3,104,742 | 9.7 | −0.9 | 42 | −5 | 3,014,471 | 9.6 | −0.9 | 8 | ±0 | 50 | −5 | 9.6 |
| 9 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 10 | - | All-German Party (GDP) | 859,290 | 2.7 | −5.2 | 0 | −6 | 870,756 | 2.8 | −5.2 | 0 | −11 | 0 | −17 | 0 |
| 11 | - | German Peace Union (DFU) | 587,488 | 1.8 | +1.8 | 0 | ±0 | 609,918 | 1.9 | +1.9 | 0 | ±0 | 0 | ±0 | 0 |
| 12 | - | German Reich Party (DRP) | 242,649 | 0.8 | −0.2 | 0 | ±0 | 262,977 | 0.8 | −0.2 | 0 | ±0 | 0 | ±0 | 0 |
| 13 | - | South Schleswig Voter Federation (SSW) | 24,951 | 0.1 | ±0 | 0 | ±0 | 25,449 | 0.1 | ±0 | 0 | ±0 | 0 | ±0 | 0 |
| 14 | - | German Community (DG) | 21,083 | 0.1 | ±0 | 0 | ±0 | 27,308 | 0.1 | ±0 | 0 | ±0 | 0 | ±0 | 0 |
| 15 | - | Electoral Group for a Neutral Germany (WGnD) | 778 | 0.0 | +0.0 | 0 | ±0 | – | – | – | – | – | 0 | ±0 | 0 |
| 16 | - | Electoral groups and independents | 2,164 | 0.0 | ±0 | 0 | ±0 | – | – | – | – | – | 0 | ±0 | 0 |
| 17 | Invalid/blank votes | Invalid/blank votes | 845,158 | — | — | — | — | 1,298,723 | — | — | — | — | — | — | — |
| 18 | Totals | Totals | 32,849,624 | 100 | ±0.0 | 247 | ±0 | 32,849,624 | 100 | ±0.0 | 252 | +2 | 521 | +2 | ±0 |
| 19 | Registered voters/turnout | Registered voters/turnout | 37,440,715 | 87.7 | — | — | — | 37,440,715 | 87.7 | — | — | — | — | — | — |
| 20 | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer | Source: Federal Returning Officer |

Question: Who won  won 203 of the 521 seats in the 1961 West German federal election?
Answer: The Social Democratic Party won 203 of the 521 seats.