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Sarıyer · İstanbul

Sarıyer MayorMustafa Oktay Aksu · CHPSource: Official municipality sites + Wikipedia (cross-checked) · Updated: 2026-08-18

Highlights

Latest Parliament (MP) (2023): CHP won · 37.9%
Latest Metropolitan Mayor (2024): CHP won · 59.3%
Latest District Municipality (2024): CHP won · 51.7%

31 MARCH 2024 DISTRICT MAYOR

2024-03-31 · 774 ballot boxes · 259,165 voters · 80.5% turnout · 202,728 valid votes

Party/Candidate	Votes	Percent
CHP	104,889	51.7%
AK PARTİ	69,451	34.3%
BAĞIMSIZ ADAY 2	16,325	8.1%
ZAFER PARTİSİ	3,517	1.7%
YENİDEN REFAH	2,460	1.2%
İYİ PARTİ	1,439	0.7%
SAADET	939	0.5%
TİP	827	0.4%
BTP	505	0.2%
BAĞIMSIZ ADAY 1	377	0.2%
MEMLEKET	330	0.2%
BÜYÜK BİRLİK	292	0.1%

31 MARCH 2024 MUNICIPAL COUNCIL

2024-03-31 · 774 ballot boxes · 259,165 voters · 80.5% turnout · 202,231 valid votes

Party/Candidate	Votes	Percent
CHP	109,810	54.3%
AK PARTİ	69,373	34.3%
ZAFER PARTİSİ	6,750	3.3%
YENİDEN REFAH	3,686	1.8%
TİP	3,254	1.6%
İYİ PARTİ	2,640	1.3%
SAADET	1,297	0.6%
BTP	632	0.3%
MEMLEKET	616	0.3%
TKP	532	0.3%
BÜYÜK BİRLİK	496	0.2%
DEVA PARTİSİ	395	0.2%

31 MARCH 2024 METROPOLITAN MAYOR

2024-03-31 · 774 ballot boxes · 259,165 voters · 80.5% turnout · 202,263 valid votes

Party/Candidate	Votes	Percent
CHP	119,916	59.3%
AK PARTİ	69,582	34.4%
ZAFER PARTİSİ	4,091	2.0%
YENİDEN REFAH	3,019	1.5%
DEM Parti	1,285	0.6%
İYİ PARTİ	1,158	0.6%
SAADET	827	0.4%
MEMLEKET	341	0.2%
HAK-PAR	317	0.2%
YTP	244	0.1%
TKP	203	0.1%
DEVA PARTİSİ	178	0.1%

28 MAY 2023 PRESIDENT (Round 2)

2023-05-28 · 720 ballot boxes · 260,743 voters · 88.1% turnout · 227,797 valid votes

Party/Candidate	Votes	Percent
KEMAL KILIÇDAROĞLU	135,487	59.5%
RECEP TAYYİP ERDOĞAN	92,310	40.5%

14 MAY 2023 28. TERM MP

2023-05-14 · 720 ballot boxes · 260,603 voters · 90.4% turnout · 231,117 valid votes

Party/Candidate	Votes	Percent
CHP	87,608	37.9%
AK PARTİ	69,188	29.9%
İYİ PARTİ	23,556	10.2%
MHP	13,392	5.8%
TİP	11,759	5.1%
YEŞİL SOL PARTİ	7,627	3.3%
ZAFER PARTİSİ	6,139	2.7%
YENİDEN REFAH	5,201	2.2%
MEMLEKET	2,225	1.0%
BBP	1,488	0.6%
AP	536	0.2%
GENÇPARTİ	524	0.2%

14 MAY 2023 PRESIDENT (Round 1)

2023-05-14 · 720 ballot boxes · 260,603 voters · 90.4% turnout · 232,454 valid votes

Party/Candidate	Votes	Percent
KEMAL KILIÇDAROĞLU	131,038	56.4%
RECEP TAYYİP ERDOĞAN	90,935	39.1%
SİNAN OĞAN	9,889	4.2%
MUHARREM İNCE	592	0.2%

23 JUNE 2019 İSTANBUL METROPOLITAN MAYOR RERUN

2019-06-23 · 753 ballot boxes · 249,257 voters · 85.3% turnout · 209,106 valid votes

Party/Candidate	Votes	Percent
CHP	128,864	61.6%
AK PARTİ	78,970	37.8%
SAADET	825	0.4%
VATAN PARTİSİ	318	0.1%
DURSUNALİ BACIOĞLU	28	0.0%
SEÇKİN İLKER	24	0.0%
LÜTFÜ YILMAZ	14	0.0%
FATMA RAGİBE KANIKURU LOĞOĞLU	9	0.0%
VEDAT ÖZTÜRK	8	0.0%
DOĞAN DUMAN	7	0.0%
AHMET ÇÖRDÜK	6	0.0%
MUHAMMET ALİ CANCA	6	0.0%

31 MARCH 2019 MUNICIPAL COUNCIL

2019-03-31 · 753 ballot boxes · 249,257 voters · 84.5% turnout · 204,296 valid votes

Party/Candidate	Votes	Percent
CHP	108,788	53.2%
AK PARTİ	85,069	41.6%
HDP	3,013	1.5%
SAADET	2,800	1.4%
BBP	1,690	0.8%
DSP	1,370	0.7%
TKP	668	0.3%
VATAN PARTİSİ	377	0.2%
BTP	293	0.1%
BAĞIMSIZ	228	0.1%

31 MARCH 2019 METROPOLITAN MAYOR

2019-03-31 · 753 ballot boxes · 249,257 voters · 84.5% turnout · 204,617 valid votes

Party/Candidate	Votes	Percent
CHP	113,392	55.4%
AK PARTİ	87,346	42.7%
SAADET	1,505	0.7%
DSP	626	0.3%
BTP	498	0.2%
VATAN PARTİSİ	412	0.2%
DP	310	0.1%
TKP	259	0.1%
ÖZGE AKMAN	57	0.0%
AYSEL TEKEREK	24	0.0%
DOĞAN DUMAN	21	0.0%
LÜTFÜ YILMAZ	20	0.0%

31 MARCH 2019 DISTRICT MAYOR

2019-03-31 · 753 ballot boxes · 249,257 voters · 84.5% turnout · 205,145 valid votes

Party/Candidate	Votes	Percent
CHP	114,810	56.0%
AK PARTİ	85,035	41.5%
SAADET	1,963	1.0%
DSP	1,231	0.6%
BBP	1,208	0.6%
VATAN PARTİSİ	329	0.2%
BAĞIMSIZ	323	0.2%
BTP	246	0.1%

24 JUNE 2018 27. TERM MP

2018-06-24 · 690 ballot boxes · 248,940 voters · 88.2% turnout · 216,281 valid votes

Party/Candidate	Votes	Percent
AK PARTİ	78,467	36.3%
CHP	76,531	35.4%
HDP	22,406	10.4%
İYİ PARTİ	18,708	8.7%
MHP	16,611	7.7%
SAADET	2,744	1.3%
VATAN PARTİSİ	504	0.2%
HÜDA PAR	187	0.1%
BAĞIMSIZ ADAY 1	95	0.0%
BAĞIMSIZ ADAY 3	12	0.0%
BAĞIMSIZ ADAY 2	9	0.0%
BAĞIMSIZ ADAY 4	7	0.0%

24 JUNE 2018 PRESIDENT

2018-06-24 · 690 ballot boxes · 248,940 voters · 88.3% turnout · 216,334 valid votes

Party/Candidate	Votes	Percent
MUHARREM İNCE	104,843	48.5%
RECEP TAYYİP ERDOĞAN	93,274	43.1%
MERAL AKŞENER	10,109	4.7%
SELAHATTİN DEMİRTAŞ	5,993	2.8%
TEMEL KARAMOLLAOĞLU	1,648	0.8%
DOĞU PERİNÇEK	467	0.2%

16 APRIL 2017 REFERENDUM

2017-04-16 · 647 ballot boxes · 250,085 voters · 89.0% turnout · 219,603 valid votes

Party/Candidate	Votes	Percent
HAYIR	129,805	59.1%
EVET	89,798	40.9%

01 NOVEMBER 2015 26. TERM MP

2015-11-01 · 677 ballot boxes · 246,521 voters · 87.7% turnout · 214,048 valid votes

Party/Candidate	Votes	Percent
AK PARTİ	89,097	41.6%
CHP	86,359	40.4%
MHP	18,480	8.6%
HDP	15,775	7.4%
SAADET	1,261	0.6%
BBP	839	0.4%
VATAN PARTİSİ	709	0.3%
HAK-PAR	470	0.2%
HKP	212	0.1%
KP	187	0.1%
LDP	168	0.1%
DSP	149	0.1%

07 JUNE 2015 25. TERM MP

2015-06-07 · 686 ballot boxes · 245,569 voters · 85.8% turnout · 197,408 valid votes

Party/Candidate	Votes	Percent
CHP	75,836	38.4%
AK PARTİ	69,155	35.0%
MHP	23,483	11.9%
HDP	17,709	9.0%
SAADET	3,517	1.8%
BAĞIMSIZ ADAY 3	2,933	1.5%
VATAN PARTİSİ	1,124	0.6%
BAĞIMSIZ ADAY 13	487	0.2%
BAĞIMSIZ ADAY 12	471	0.2%
TURK PARTİ	378	0.2%
BAĞIMSIZ ADAY 11	373	0.2%
DSP	283	0.1%

10 AUGUST 2014 PRESIDENT

2014-08-10 · 629 ballot boxes · 240,869 voters · 72.5% turnout · 172,295 valid votes

Party/Candidate	Votes	Percent
EKMELEDDİN MEHMET İHSANOĞLU	89,809	52.1%
RECEP TAYYİP ERDOĞAN	72,937	42.3%
SELAHATTİN DEMİRTAŞ	9,549	5.5%

30 MARCH 2014 MUNICIPAL COUNCIL

2014-03-30 · 806 ballot boxes · 243,852 voters · 89.8% turnout · 209,085 valid votes

Party/Candidate	Votes	Percent
CHP	101,866	48.7%
AK PARTİ	80,778	38.6%
MHP	14,900	7.1%
HDP	4,170	2.0%
SAADET	2,619	1.2%
BBP	1,737	0.8%
İP	623	0.3%
HEPAR	492	0.2%
DP	399	0.2%
ÖDP	385	0.2%
TKP	347	0.2%
DSP	336	0.2%

30 MARCH 2014 METROPOLITAN MAYOR

2014-03-30 · 806 ballot boxes · 243,852 voters · 89.8% turnout · 210,700 valid votes

Party/Candidate	Votes	Percent
CHP	107,249	50.9%
AK PARTİ	86,486	41.0%
MHP	8,063	3.8%
HDP	3,983	1.9%
SAADET	1,703	0.8%
BBP	960	0.5%
İP	427	0.2%
HEPAR	411	0.2%
YURT-P	310	0.1%
TKP	200	0.1%
DSP	187	0.1%
HAK-PAR	131	0.1%

30 MARCH 2014 DISTRICT MAYOR

2014-03-30 · 806 ballot boxes · 243,852 voters · 89.7% turnout · 209,944 valid votes

Party/Candidate	Votes	Percent
CHP	107,313	51.1%
AK PARTİ	82,478	39.3%
MHP	11,625	5.5%
HDP	3,507	1.7%
SAADET	2,179	1.0%
BBP	1,390	0.7%
İP	323	0.1%
DSP	302	0.1%
YURT-P	261	0.1%
BTP	155	0.1%
DP	150	0.1%
MİLLET	74	0.0%

12 JUNE 2011 24. TERM MP

2011-06-12 · 735 ballot boxes · 209,319 voters · 86.4% turnout · 176,834 valid votes

Party/Candidate	Votes	Percent
CHP	74,066	41.9%
AK PARTİ	71,301	40.3%
MHP	18,261	10.3%
BAĞIMSIZ ADAY 1	4,387	2.5%
SAADET	2,518	1.4%
BAĞIMSIZ ADAY 3	1,154	0.7%
BBP	1,117	0.6%
HAS PARTİ	971	0.6%
HEPAR	844	0.5%
DP	676	0.4%
DSP	492	0.3%
TKP	372	0.2%

12 SEPTEMBER 2010 REFERENDUM

2010-09-12 · 532 ballot boxes · 208,602 voters · 74.5% turnout · 153,025 valid votes

Party/Candidate	Votes	Percent
HAYIR	85,215	55.7%
EVET	67,810	44.3%

29 MARCH 2009 DISTRICT MAYOR

2009-03-29 · 599 ballot boxes · 185,155 voters · 82.1% turnout · 146,804 valid votes

Party/Candidate	Votes	Percent
CHP	55,118	37.5%
AK PARTİ	46,200	31.5%
MHP	26,748	18.2%
DSP	8,645	5.9%
SAADET	4,437	3.0%
DTP	2,372	1.6%
BBP	1,615	1.1%
DP	754	0.5%
ANAVATAN	385	0.3%
TKP	275	0.2%
LDP	131	0.1%
BTP	124	0.1%

29 MARCH 2009 MUNICIPAL COUNCIL

2009-03-29 · 599 ballot boxes · 185,155 voters · 81.7% turnout · 145,334 valid votes

Party/Candidate	Votes	Percent
CHP	55,441	38.1%
AK PARTİ	45,521	31.3%
MHP	23,686	16.3%
DSP	7,652	5.3%
SAADET	5,789	4.0%
DTP	3,009	2.1%
BBP	2,608	1.8%
DP	924	0.6%
ANAVATAN	567	0.4%
BTP	137	0.1%

29 MARCH 2009 PROVINCIAL COUNCIL

2009-03-29 · 650 ballot boxes · 204,157 voters · 81.7% turnout · 163,176 valid votes

Party/Candidate	Votes	Percent
CHP	66,053	40.5%
AK PARTİ	50,942	31.2%
MHP	23,405	14.3%
DSP	7,209	4.4%
SAADET	5,857	3.6%
BBP	3,115	1.9%
DTP	2,839	1.7%
DP	1,134	0.7%
ANAVATAN	801	0.5%
İP	533	0.3%
TKP	459	0.3%
ÖDP	388	0.2%

29 MARCH 2009 METROPOLITAN MAYOR

2009-03-29 · 650 ballot boxes · 204,157 voters · 81.8% turnout · 161,852 valid votes

Party/Candidate	Votes	Percent
CHP	76,397	47.2%
AK PARTİ	58,551	36.2%
MHP	12,420	7.7%
SAADET	4,649	2.9%
DSP	3,085	1.9%
DTP	2,670	1.6%
BBP	1,746	1.1%
DP	531	0.3%
ANAVATAN	525	0.3%
HAK-PAR	403	0.2%
BTP	393	0.2%
TKP	198	0.1%

Sarıyer: a district close to the İstanbul picture

In Sarıyer the 2024 local race went to CHP with 51.7% — close to the provincial average.

In the 2023 parliamentary election CHP led in Sarıyer with 37.9%; the province's first party was AK Parti.

The referendum stance diverges too: 40.9% 'yes' in Sarıyer in 2017, 7.8 points below the province.