1928 Prussian state election

State elections were held in the Free State of Prussia on 20 May 1928 to elect all 450 members of the Landtag of Prussia.[1] The governing coalition of the Social Democratic Party, Centre Party, and German Democratic Party retained its majority. The SPD recorded its best result since 1919 while the opposition German National People's Party suffered significant losses. The Centre Party, German People's Party, and DDP took modest losses; the Communist Party and Wirtschaftspartei made modest gains.

1928 Prussian Landtag election

20 May 1928
All 450 seats in the Landtag of Prussia 226 seats needed for a majority
Turnout	18,842,523 (76.39%) 2.19
First party Second party Third party   Party SPD DNVP Centre Last election 24.9%, 114 seats 23.7%, 109 seats 17.6%, 81 seats Seats won 137 82 68 Seat change 23 27 13 Popular vote 5,464,767 3,274,897 2,737,859 Percentage 29.00% 17.38% 14.53% Swing 4.11 6.32 3.04   Fourth party Fifth party Sixth party   Party KPD DVP WP Last election 9.6%, 44 seats 9.8%, 45 seats 2.5%, 11 seats Seats won 56 40 21 Seat change 12 5 10 Popular vote 2,237,160 1,602,070 850,391 Percentage 11.87% 8.50% 4.51% Swing 2.25 1.28 2.04   Seventh party Eighth party Ninth party   Party DDP CNBL NSDAP Last election 5.9%, 27 seats 1.4%, 6 seats[lower-alpha 1] 2.5%, 11 seats Seats won 21 12 6 Seat change 6 6 5 Popular vote 839,530 463,929 346,771 Percentage 4.46% 2.46% 1.84% Swing 1.44 1.05 0.63
Top: results by constituency. Bottom: winning party in each constituency.
Minister-President before election Otto Braun SPD Elected Minister-President Otto Braun SPD

Results

Party		Votes	%	Swing	Seats	+/–
	Social Democratic Party (SPD)	5,464,767	29.00	+4.11	137	+23
	German National People's Party (DNVP)	3,274,897	17.38	–6.32	82	–27
	Centre Party (Zentrum)	2,737,859	14.53	–3.04	68	–13
	Communist Party of Germany (KPD)	2,237,160	11.87	+2.25	56	+12
	German People's Party (DVP)	1,602,070	8.50	–1.28	40	–5
	Reich Party of the German Middle Class (WP) Reich Party of the German Middle Class (WP) Pastor Greber Party	850,391 840,661 9,730	4.51 4.46 0.05	+2.04 +2.06 New	21 21 0	+10 +10 New
	German Democratic Party (DDP) German Democratic Party (DDP) People's Justice Party (Reich Party for Civil Rights and Deflation)	839,530 829,859 9,671	4.46 4.40 0.05	–1.44 –1.50 New	21 21 0	–6 –6 New
	Christian-National Peasants' and Farmers' Party (CNBL) Christian-National Peasants' and Farmers' Party (CNBL) German-Hanoverian Party (DHP)	463,929 276,788 187,141	2.46 1.47 0.99	+1.05 New –0.42	12 8 4	+6 New –2
	National Socialist German Workers Party (NSDAP)	346,771	1.84	–0.63	6	–5
	People's Justice Party (VRP)	235,750	1.25	New	2	New
	Völkisch National Bloc (VNB)	205,789	1.09	New	2	New
	Centre Party of Lower Saxony	132,424	0.70	New	3	New
	German Farmers' Party (DBP)	88,534	0.47	New	0	New
	National Minorities of Germany (NMD) Poland Party Schleswiger Association Lithuanian People's Party Wendish People's Party Masurian People's Party "Friesland"	75,717 71,757 2,466 432 382 369 311	0.40 0.38 0.01 0.00 0.00 0.00 0.00	–0.08 –0.06 –0.02 New 0.00 0.00 New	0 0 0 0 0 0 0	–2 –2 0 New 0 0 New
	Christian Social Reichs Party	72,734	0.39	New	0	New
	Left Communists	55,509	0.29	New	0	New
	German Social Party	38,633	0.21	New	0	New
	People's Bloc of Inflation Victims People's Bloc of Inflation Victims German Revaluation and Reconstruction Party (Cultural and Justice State Party etc.)	24,218 22,812 1,406	0.13 0.12 0.01	–0.09 New –0.21	0 0 0	0 New 0
	Old Social Democratic Party of Germany (ASPD)	18,852	0.10	New	0	New
	Protestant National Community	15,978	0.08	New	0	New
	Independent Social Democratic Party (USPD)	12,129	0.06	–0.31	0	0
	German Home and Landowners' Party	11,600	0.06	New	0	New
	Protestant People's Service	10,290	0.05	New	0	New
	Reichs Party for Craft, Commerce and Trade	6,173	0.03	New	0	New
	Non-Political List of War Victims etc.	5,960	0.03	New	0	New
	German Reichs Bloc of the Injured	5,797	0.03	New	0	New
	Christian National Middle-Class Party	4,793	0.03	New	0	New
	Party for Justice and Tenant Protection	2,375	0.01	New	0	New
	Revaluation and Reconstruction Party	1,022	0.01	–0.06	0	0
	People's Justice Party (Reich Party for Civil Rights and Deflation)	872	0.00	New	0	New
Invalid/blank votes		370,531	1.93	–	–	–
Total		18,842,523	100	–	450	0
Registered voters/turnout		25,152,711	76.39	–2.19	–	–
Gonschior.de

Popular Vote SPD   29.00% DNVP   17.38% Zentrum   14.53% KPD   11.87% DVP   8.50% WP   4.51% DDP   4.46% CNBL   2.46% NSDAP   1.84% VRP   1.25% VNB   1.09% ZNS   0.70% Other   2.41%

Landtag seats SPD   30.44% DNVP   18.22% Zentrum   15.11% KPD   12.44% DVP   8.89% WP   4.67% DDP   4.67% CNBL   1.78% NSDAP   1.33% DHP   0.89% ZNS   0.67% VRP   0.44% VNB   0.44%

Results by constituency

Constituency	SPD	DNVP	Z	KPD	DVP	WP	DDP	CNBL	NSDAP	Other
1. East Prussia	26.8	31.3	7.4	9.5	9.8	2.1	3.8	–	0.8	8.5
2. Berlin	34.0	15.7	3.4	29.6	4.2	2.4	6.5	–	1.4	2.8
3. Potsdam II	30.6	21.5	3.1	17.5	9.1	3.2	9.5	–	1.7	3.8
4. Potsdam I	34.7	22.9	2.2	17.1	6.5	5.1	5.2	0.2	1.6	4.5
5. Frankfurt an der Oder	33.1	29.4	6.1	6.0	8.4	3.9	4.4	2.3	1.0	5.4
6. Pomerania	30.2	41.5	1.0	6.1	5.5	5.0	4.0	0.3	1.5	4.9
7. Breslau	37.8	22.9	15.8	4.5	6.0	3.7	3.0	0.4	0.9	5.0
8. Liegnitz	37.8	24.4	7.9	4.2	6.5	7.1	6.4	0.1	1.2	4.4
9. Oppeln	12.5	16.9	39.9	12.7	2.7	1.3	1.6	1.1	1.0	10.3
10. Magdeburg	43.0	16.8	1.8	7.2	12.7	5.1	5.3	0.3	1.6	6.2
11. Merseburg	23.8	21.4	1.4	24.6	10.2	6.0	4.6	0.3	2.7	5.0
12. Erfurt	28.8	15.8	12.9	11.2	11.3	7.7	4.1	0.8	3.5	3.9
13. Schleswig-Holstein	35.2	22.8	1.1	8.0	13.9	5.5	5.6	0.3	4.0	3.6
14. Weser-Ems	22.8	9.5	24.5	3.5	10.4	2.8	4.5	8.8[lower-alpha 2]	5.1	8.1
15. Hanover East	32.7	10.5	1.3	5.8	10.5	4.0	3.6	25.4[lower-alpha 2]	2.6	3.6
16. Hanover South	44.0	9.0	5.5	3.5	11.9	3.6	3.9	12.5[lower-alpha 2]	3.4	2.7
17. Westphalia North	22.8	8.4	34.5	9.4	7.6	6.0	2.2	3.4	0.9	4.8
18. Westphalia South	29.5	8.6	23.3	11.9	10.6	4.7	4.2	1.3	1.6	4.3
19. Hesse-Nassau	32.4	10.0	15.1	8.1	9.9	4.2	5.7	7.2	3.6	3.8
20. Köln-Aachen	18.5	7.3	42.0	10.4	8.4	4.4	3.2	–	1.1	4.7
21. Koblenz-Trier	11.8	6.7	52.1	4.7	5.8	4.2	1.9	5.8	2.0	5.0
22. Düsseldorf East	19.0	11.9	21.0	22.5	8.9	6.1	3.2	–	1.8	5.6
23. Düsseldorf West	17.2	10.7	35.6	14.7	8.4	6.0	2.5	0.2	1.2	3.5

See also

• Elections in the Free State of Prussia
• Weimar Republic

Notes

1. Results for the German-Hanoverian Party, which ran independently in 1924, but on a joint list with the CNBL in 1928.
2. Including results for both the CNBL and DHP, which ran on separate but affiliated lists.

References

1. Dieter Nohlen & Philip Stöver (2010) Elections in Europe: A data handbook, p762 ISBN 978-3-8329-5609-7