Allele Frequencies in World Populations

HLA Database » Allele Report

The list below shows all populations in AFND that contains the allele. If an allele has an entry with a lower resolution this will be shown at the end.

Allele: 
   

C*18:01

 
Allele reported 116 time(s) and present in 75 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
ZMBZambia Lusaka0.100044See
CMRCameroon Bakola Pygmy16.00.083450See
KENKenya, Nyanza Province, Luo tribe10.00.0500100See
ZWEZimbabwe Harare Shona0.0490230See
KENKenya Luo0.0490265See
GHAGhana Ga-Adangbe8.40.0458131See
CMRCameroon Bamileke0.045077See
INDIndia Mumbai Maratha0.043091See
KENKenya0.0400144See
CRICosta Rica African -Caribbean (G)7.80.0390102See
USAUSA African American0.0380252See
USAUSA NMDP Caribean Black0.034733328See
USAUSA African American pop 30.0340564See
USAUSA NMDP African0.032528557See
USAUSA African American pop 40.03192411See
USAUSA NMDP African American pop 20.0315416581See
UGAUganda Kampala pop 20.0290175See
ZAFSouth Africa Worcester6.00.0280159See
CMRCameroon Beti0.0260174See
KENKenya Nandi0.0230240See
BRABrazil Puyanawa4.00.0200150See
MLIMali Bandiagara0.0160138See
ZAFSouth African Black2.80.0141142See
CRICosta Rica Guanacaste Mestizo (G)2.80.0140110See
SDNSudan Mixed2.50.0130200See
NICNicaragua Managua2.60.0128339See
USAUSA Spain Ancestry0.0110279See
ZAFSouth African Mixed ancestry2.00.010050See
IRNIran Baloch0.0100100See
INDIndia West Coast Parsi0.010050See
AREUnited Arab Emirates Abu Dhabi0.009652See
UGAUganda Kampala0.0090161See
IRNIran Gorgan0.007864See
CRICosta Rica Central Valley Mestizo (G)1.40.0070221See
SAUSaudi Arabia pop 51.30.0063158See
ESPSpain Andalusia0.006099See
CHLChile Santiago Mixed1.00.005070See
CHNChina North Han0.0050105See
BRABrazil Mixed0.0050108See
ISRIsrael Ashkenazi and Non Ashkenazi Jews0.0050146See
SAUSaudi Arabia Guraiat and Hail1.00.0050213See
USAUSA NMDP Caribean Indian0.005014339See
USAUSA Mexican American Mestizo0.0040553See
USAUSA NMDP Hispanic South or Central American0.0038146714See
USAUSA NMDP Caribean Hispanic0.0036115374See
USAUSA Hispanic pop 20.00351999See
NICNicaragua Mestizo (G)0.60.0030155See
COLColombia Bogotá Cord Blood0.50.00271463See
USAUSA NMDP Mexican or Chicano0.0020261235See
DEUGermany DKMS - Portugal minority0.00131176See
DEUGermany DKMS - Croatia minority0.00102057See
USAUSA NMDP American Indian South or Central America0.00105926See
USAUSA Asian0.0010358See
USAUSA Caucasian pop 40.00091070See
DEUGermany DKMS - Bosnia and Herzegovina minority0.00101028See
DEUGermany DKMS - Spain minority0.00091107See
ESPSpain (Catalunya, Navarra, Extremadura, Aaragón, Cantabria,0.10.00074335See
USAUSA NMDP North American Amerindian0.000735791See
USAUSA NMDP Middle Eastern or North Coast of Africa0.000670890See
USAUSA NMDP Southeast Asian0.000527978See
DEUGermany DKMS - United Kingdom minority0.00051043See
DEUGermany DKMS - France minority0.00041406See
DEUGermany DKMS - Italy minority0.00041159See
DEUGermany DKMS - Romania minority0.00041234See
USAUSA NMDP Hawaiian or other Pacific Islander0.000311499See
DEUGermany DKMS - Turkey minority0.00034856See
DEUGermany DKMS - Austria minority0.00031698See
USAUSA NMDP European Caucasian0.00031242890See
DEUGermany pop 80.000239689See
USAUSA NMDP Vietnamese0.000243540See
DEUGermany pop 60.00028862See
USAUSA NMDP Filipino0.000150614See
USAUSA NMDP South Asian Indian0.0001185391See
USAUSA NMDP Chinese0.000099672See
USAUSA Asian pop 20.00001772See
USAUSA Caucasian Bethesda0.00.0000307See
USAUSA African American Bethesda0.00.0000187See
USAUSA Philadelphia Caucasian0.00.0000141See
USAUSA Hispanic0.0000234See
USAUSA North American Native0.0000187See
USAUSA San Antonio Caucasian0.0000222See
USAUSA Alaska Yupik0.0000252See
USAUSA Caucasian pop 20.0000265See
ZAFSouth Africa Caucasians0.0000102See
CHNChina Tibet Region Tibetan0.0000158See
BRABrazil Vale do Ribeira Quilombos0.00.0000144See
CAFCentral African Republic Mbenzele Pygmy0.00.000036See
CMRCameroon Sawa0.000013See
CMRCameroon Baka Pygmy0.000010See
ITAItaly pop 50.0000975See
INDIndia West Bhil0.000050See
INDIndia Khandesh Region Pawra0.000050See
GBRUnited Kingdom pop 30.00.0000604See
KORSouth Korea pop 30.0000485See
MARMorocco Settat Chaouya0.00.000098See
MARMorocco Nador Metalsa pop 20.000073See
NIRIreland Northern0.00.00001000See
NLDNetherlands Leiden0.00001305See
PHLPhilippines Ivatan0.00.000050See
POLPoland DKMS0.000120653See
RUSRussia Nenet Mixed0.000055See
TWNTaiwan Minnan pop 10.00.0000102See
TWNTaiwan Hakka0.00.000055See
TWNTaiwan Atayal0.00.0000106See
TWNTaiwan Taroko0.00.000055See
TWNTaiwan Saisiat0.00.000051See
TWNTaiwan Bunun0.00.0000101See
TWNTaiwan Pazeh0.00.000055See
TWNTaiwan Siraya0.00.000051See
TWNTaiwan Thao0.00.000030See
TWNTaiwan Tsou0.00.000051See
TWNTaiwan Rukai0.00.000050See
TWNTaiwan Paiwan0.00.000051See
TWNTaiwan Ami0.00.000098See
TWNTaiwan Puyuma0.00.000050See
TWNTaiwan Tao0.00.000050See

Frequency data at lower resolution for this allele can be found in links below


Allele  Number of Populations 
  C*1871 

Notes:

* Allele Frequency: Total number of copies of the allele in the population sample (Alleles / 2n) in decimal format.
   Important: This field has been expanded to four decimals to better represent frequencies of large datasets (e.g. where sample size > 1000 individuals)
* Phenotype Frequency: Percentage of individuals who have the allele or gene (Individuals / n).
* Allele Frequencies shown in green were calculated from Phenotype Frequencies assuming Hardy-Weinberg proportions.

¹ IMGT/HLA Database - For more details of the allele.
² Distribution - Graphical distribution of the allele.
³ Haplotype Association - Find HLA haplotypes with this allele.
ª Notes - See notes for ambiguous combinations of alleles.


   

Allele frequency net database (AFND) 2020 update: gold-standard data classification, open access genotype data and new query tools
Gonzalez-Galarza FF, McCabe A, Santos EJ, Jones J, Takeshita LY, Ortega-Rivera ND, Del Cid-Pavon GM, Ramsbottom K, Ghattaoraya GS, Alfirevic A, Middleton D and Jones AR Nucleic Acid Research 2020, 48:D783-8.
Liverpool, U.K.

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