Essential information > Timelines for data availability > Retrospective timeline of the data currently available

Retrospective timeline of the data currently available

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The UK Biobank resource was launched with the data collected at baseline made available in March 2012. The following timeline indicates when additional data was first made available for researchers to download.


DateAdditional data made available
August 2021

Available on the Data Portal:

  • Additional data from the EMIS GP supplier covering up to mid July 2021. See the Data providers and dates page for coverage dates and numbers of participants. These data are available for Covid-19 research only.


July 2021

Available through Showcase fields:

  • An update to fields in Category 149 (Abdominal composition from MRI scans), provided by Advanced MR Analytics AB, AMRA, Sweden. The latest data will be available for ~25,000 participants and includes new fields and updates to existing fields.

  • An update to the existing data for Predicted Forced Expiratory Volume (FEV1) and FEV1 predicted percentage for an additional 123,000 smokers and previous smokers who have a reproducible spirometry measure. Please see Field 20153 for further details.

  • An update to the existing Nightingale data so the full range of biomarkers are available for participants in the first tranche. This includes QC measures for any derived fields, plus additional sample-level QC data. Please see Category 220 for further details.

  • Data related to macular thickness and retinal pigment epithelium thickness derived from retinal images for ~35,000 participants, generated by a group led by the NIHR Biomedical Research Centre at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology. Please see Category 100079 for further details.

  • Data on the diagnostic source of COVID-19 cases identified for the COVID-19 re-imaging study. The source of the positive Covid test result is contained in Field 41001.

Available on the Data Portal:

  • Additional data from the EMIS GP supplier covering up to mid May 2021. See the Data providers and dates page for coverage dates and numbers of participants. These data are available for Covid-19 research only.


May 2021

Available on the Data Portal:

  • Additional data from the TPP GP supplier covering up to March 2021. See the Data providers and dates page for coverage dates and numbers of participants. These data are available for Covid-19 research only.


April 2021

Available on the Data Portal:

  • Additional data from the TPP GP supplier covering up to November 2020. See the Data providers and dates page for coverage dates and numbers of participants. An additional reference table of unit and precision information for numeric values associated with clinical codes was also made available as Resource 951. These data are available for Covid-19 research only.

  • Covid-19 test result data for Scotland and Wales has now been added to that previously available for England. These can be found on the new tables covid19_result_scotland and covid19_result_wales on the Data Portal. For clarity, the previous covid19_result table on the Data Portal has been renamed covid19_result_england. Researchers who already had access to the previous covid19_result table will have been given access to these new tables. New researchers wanting access to these tables should see here for how to do this. Details of the tables is given in the COVID-19 data dictionary.

March 2021

Available on the Data Portal:

  • Additional data from the EMIS GP supplier covering up to November 2020. See the Data providers and dates page for coverage dates and numbers of participants. These data are available for Covid-19 research only.

Available through Showcase fields:

  • Data on telomere length for almost all of the cohort (474,000 participants) generated by Prof. Nilesh Samani‚Äôs research group at the University of Leicester. See Category 265 for details.

  • The first tranche of data on NMR-metabolomics for 120,000 participants, generated by Nightingale Health. This comprises data on a wide range of circulating metabolic biomarkers, including detailed measures of cholesterol metabolism, fatty acid compositions, and various low-molecular weight metabolites, such as amino acids, ketones and glycolysis metabolites. See Category 220 for details.

  • The first tranche of imaging data from the repeat imaging study to enable research into the effect of SARS-CoV-2 infection on internal organs. This includes data from new modalities introduced to the brain (Category 100) and abdominal MRI scans (Category 105). Updates will be made approximately monthly.

  • An update to the hospital inpatient summary fields in Category 2000 and the First Occurrence fields in Category 1712 to take account of the additional death and inpatient data on the Data Portal (and through self-report at assessment centres). Note that the Showcase death fields (Category 100093) and the Algorithmically-defined Outcome fields (Category 42) have not been updated. See the Data providers and dates page for coverage dates.

January 2021

Available on the Data Portal:

  • Additional death registry records for England, Scotland & Wales covering up to early December.

  • Additional hospital inpatient admissions covering up to November for England and October for Scotland.

Available through Showcase fields:

  • Data from a web-based questionnaire on self-reported pain for about 170,000 participants. (Category 154)

  • Updated DXA data related to bone mineral density and body composition for about 49,000 participants and additional brain NIFTI scans for an extra 5,000 participants.

  • An update to the Showcase death fields in Category 100093, the hospital inpatient summary fields in Category 2000, and the First Occurrence fields in Category 1712, to take account of the additional death and inpatient data on the Data Portal (and through self-report at assessment centres).

Note that the Algorithmically-defined Outcome fields in Category 42 were not updated to take account of the more recent death & hospital inpatient data.

Returned datasets:

  • A number of new datasets returned to UK Biobank from research projects are now available for download using the ukblink utility. For a list of recent Returns see here.

December 2020

Updates to the Data Portal:

  • English hospital inpatient records, including critical care admissions, covering up to the end of September 2020.

  • Scottish hospital inpatient records covering November 2016 to the end of August 2020.

  • Welsh hospital inpatient records covering March 2016 to the end of February 2018.

  • Death register records up to October 2020.

No Showcase fields have been updated (including any derived fields from the death or inpatient data), with the data above only accessible via the Data Portal.

October & November 2020

Updates to Showcase fields:

  • Late November: Further Exome data for 200,000 participants: sample level variant (VCF, ~8TB) and sequence data (CRAM, ~175TB).

  • Early November: Joint-call Exome data (Field 23156) for 200,000 participants in pVCF format (~7TB).

  • Late October: Joint-call Exome data in PLINK format (Field 23155) for 200,000 participants.

Further information on the Exome data is available in the Exome Sequencing FAQs which can be found here.

Updates to the Data Portal:

  • Mid October: Death register records up to mid September 2020.

  • Early October: English primary care data from EMIS covering approximately 260,000 participants. This data is available to be used for COVID-19 research only. See the COVID-19 page for access details, and Resource 3151 for further details of the data itself.


September 2020

Updates to the Data Portal:

  • English hospital inpatient record data covering up to the end of June 2020.

  • Critical care data for English inpatients covering April 2011 to the end of June 2020. See the Critical Care data page for further information.

  • Death register records up to mid August 2020.

No Showcase fields have been updated (including any derived fields from the death or inpatient data), with the data above only accessible via the Data Portal.

August 2020
Updates to the Data Portal:
  • English primary care data from TPP data provider, covering approximately 190,000 participants - for COVID-19 research only;

  • English inpatient hospital record data covering April 2020 to May 2020;

  • Death register records up to June 2020.

No Showcase fields have been updated (including any derived fields from the death or inpatient data), with the data above only accessible via the Data Portal.

July 2020
Updates to the Data Portal:
  • English inpatient hospital record data from April 2017 to March 2020;

  • Death register records through to May 2020;

  • Blood-type haplotype (Field 23165) via a new table on the Data Portal ('covid19_misc') to any researcher who has access to the COVID-19 test results data (Field 40100).

No Showcase fields have been updated (including any derived fields from the death or inpatient data), with the data above only accessible via the Data Portal.

June 2020
  • Death register data:

    • Additional death register records via Field 40023 and the Data Portal.
    • Updated death data for Field 40007 and Field 40010. Please note these were not made accessible via the Data Portal.

  • UK Biobank started making death records available on the Data Portal. Researchers who already had a released basket giving access to any Data-field in Category 100093 were given access to the death tables without needing to submit a new basket containing Field 40023.

    The algorithmically defined outcome fields in Category 42 and First Occurrences fields (Category 1712) were not updated to take account of the new death data at this Showcase update.

April 2020
  • COVID-19 test data from Public Health England (PHE). Please note these were only made accessible via the Data Portal. Please see here for details.

February 2020
  • Replacement exome sequencing data from the SPB pipeline (~50,000 participants). These will replace Data-fields 23171 - 23174.

  • Imaging data:

    • Additional NIFTI brain images.
    • Additional derived brain imaging data, including data for 10 new Data-fields (Fields 25921 - 25930).
    • Raw carotid ultrasound data (Field 20241).
  • Derived imaging variables:

  • Other data collected at the assessment centre visits:

    • Impedance data from the imaging and repeat imaging visits (Category 100009).
    • Paired associate learning cognitive function test data (Category 506).
  • Data from the online questionnaire on food preferences (Category 1039).

  • Various Returned Results via the Returns Catalogue, including returns with derived individual-level data related to: cardiac measures, eye measures, actigraphy, spirometry, and weather. See here for more details of the returned datasets that have recently been made available.

  • Additional Data-fields for the online cognitive function questionnaire (Category 116) relating to device (Field 23077 and Field 23078) and mood (Category 155).


September 2019
  • Primary care (GP) data for around 45% of the cohort, containing coded clinical data and prescriptions (category 3000).

  • "First occurrence" fields (category 1712) showing the first occurrence of any code mapped to 3-character ICD-10. The data-fields have been generated by mapping:

    • Read code information in the Primary Care data (Category 3000),
    • ICD-9 and ICD-10 codes in the Hospital inpatient data (Category 2000),
    • ICD-10 codes in Death Register records (Field 40001, Field 40002), and
    • Self-reported medical condition codes (Field 20002) reported at the baseline or subsequent UK Biobank assessment centre visit

    to 3-character ICD-10 codes.
  • Freesurfer segmentation data (categories 190-197).

  • The hospital inpatient data has been restructured, and a very small amount of additional data has been added. See Update of HES data - September 2019 for more details.

March 2019
  • Exome sequencing data for 50,000 participants.

  • Biochemistry assay data - serum and red blood cells assay data for all participants. See here for the list of biomarkers that have been measured.

  • Updated hospital inpatient and death and cancer registry data.

  • Additional summary data fields for hospital inpatient data, including corresponding first recorded diagnosis/procedure date.

  • Algorithmically-derived health outcomes for: Asthma, COPD, Dementia, End stage renal disease, Motor neurone disease, Parkinson's disease.

  • Infectious disease pilot study (10,000 participants).

  • Retinal OCT image slices in PNG format (fields 21017 & 21018 in category 100016).

October 2018
  • Online digestive health questionnaire data

  • Indices of Multiple deprivation (IMD) scores

  • 12-lead ECG metrics (imaging assessment)

  • Liver phenotypes from MRI scan (for some participants)

  • Updated imaging data

  • MET score data

  • Returned datasets

March 2018
  • Version 3 of the imputed genetics data

January 2018
  • Greenspace and coastal proximity data

  • Updated imaging data

  • Updated body composition data from the MRI (for some participants)

July 2017
  • Genotyping data for the full cohort

  • Mental health questionnaire data

  • Additional home location coordinates

February 2017
  • Algorithmically-defined cases of myocardial infarction and stroke

  • Address history data

  • Derived data on body composition from abdominal MRI for some participants

  • Updated imaging data

October 2016
  • Updated death, cancer and hospital inpatient data

  • Updated imaging data

May 2016
  • Updated death and cancer data.

March 2016
  • Updated physical activity (accelerometer) data-fields

  • Updated imaging data

  • Updated death and cancer register data

October 2015
  • Imaging data for 5,000 participants

  • Online questionnaire data on cognitive function

July 2015
  • Online occupational health questionnaire

July 2014
  • Physical activity monitor data for 30,000 participants

  • Objective measures of built environment for participants resident in Wales and Greater London Area

June 2014
  • Nutrient data from the 24-hour diet recall

  • Inpatient hospital data for participants in Scotland

December 2013
  • Death and cancer registry data for participants in Scotland

  • Repeat assessment data for 20,000 participants

  • Inpatient hospital data for participants in England

March 2013
  • Death and cancer registry data for participants in England and Wales available

September 2012
  • Four online 24-hour recall diet questionnaires. The data was collected over the period February 2011 - June 2012