The 120 members of the second Knesset were elected on 30 July 1951. The breakdown by party was as follows:
| MK | Replaced | Party | Date | Notes |
|---|---|---|---|---|
| Idov Cohen | Moshe Kol | Progressive Party | 10 September 1951 | |
| Yeshayahu Forder | Avraham Granot | Progressive Party | 10 September 1951 | |
| Eliezer Shostak | Ya'akov Meridor | Herut | 2 November 1951 | |
| Rachel Tzabari | Yehezkel Hen | Mapai | 4 April 1952 | |
| Avraham Kalfon | Eliezer Kaplan | Mapai | 13 July 1952 | |
| Shlomo-Yisrael Ben-Meir | David-Zvi Pinkas | Mizrachi | 14 August 1952 | |
| Ya'akov Nitzani | Yitzhak Ben-Zvi | Mapai | 8 December 1952 | |
| Shlomo Hillel | Eliyahu Hacarmeli | Mapai | 21 December 1952 | |
| Zalman Ben-Ya'akov | Avraham Deutsch | Agudat Yisrael | 24 June 1953 | |
| Haim Cohen-Meguri | Aryeh Ben-Eliezer | Herut | 6 July 1953 | |
| Baruch Kamin | David Hacohen | Mapai | 1 December 1953 |