Simon Iain Hay

OpenAlex profile · ORCID

Selected research works

Up to 100 selected research works. Source updated 2026-10-28T19:34:54+00:00.

1. Global burden of 369 diseases and injuries in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019 · 2020 · 19,327 citations
2. Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis · 2022 · 16,267 citations
3. Global, regional, and national incidence, prevalence, and years lived with disability for 354 diseases and injuries for 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2018 · 13,859 citations
4. Global, regional, and national incidence, prevalence, and years lived with disability for 328 diseases and injuries for 195 countries, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2017 · 13,219 citations
5. Global, regional, and national prevalence of overweight and obesity in children and adults during 1980–2013: a systematic analysis for the Global Burden of Disease Study 2013 · 2014 · 11,950 citations
6. Global Burden of Cardiovascular Diseases and Risk Factors, 1990–2019 · 2020 · 11,431 citations
7. The global distribution and burden of dengue · 2013 · 10,032 citations
8. Global burden of 87 risk factors in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019 · 2020 · 9,842 citations
9. Global, regional, and national age-sex-specific mortality for 282 causes of death in 195 countries and territories, 1980–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2018 · 8,597 citations
10. Global, regional, and national burden of stroke and its risk factors, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019 · 2021 · 8,024 citations
11. Global, regional, and national sepsis incidence and mortality, 1990–2017: analysis for the Global Burden of Disease Study · 2020 · 7,958 citations
12. Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015 · 2016 · 7,698 citations
13. Global, regional, and national incidence, prevalence, and years lived with disability for 310 diseases and injuries, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015 · 2016 · 7,248 citations
14. Global, regional, and national burden of chronic kidney disease, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2020 · 6,678 citations
15. Global, regional, and national life expectancy, all-cause mortality, and cause-specific mortality for 249 causes of death, 1980–2015: a systematic analysis for the Global Burden of Disease Study 2015 · 2016 · 6,591 citations
16. Global, regional, and national incidence, prevalence, and years lived with disability for 301 acute and chronic diseases and injuries in 188 countries, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013 · 2015 · 6,414 citations
17. Health effects of dietary risks in 195 countries, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2019 · 5,803 citations
18. Global, regional, and national burden of neurological disorders, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2019 · 5,635 citations
19. Estimation of the global prevalence of dementia in 2019 and forecasted prevalence in 2050: an analysis for the Global Burden of Disease Study 2019 · 2022 · 5,552 citations
20. Global prevalence and burden of depressive and anxiety disorders in 204 countries and territories in 2020 due to the COVID-19 pandemic · 2021 · 5,436 citations
21. Global incidence, prevalence, years lived with disability (YLDs), disability-adjusted life-years (DALYs), and healthy life expectancy (HALE) for 371 diseases and injuries in 204 countries and territories and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 · 2024 · 5,091 citations
22. Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks for 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2018 · 4,939 citations
23. Global, regional, and national age-sex specific mortality for 264 causes of death, 1980–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2017 · 4,824 citations
24. Global, regional, and national burden of diabetes from 1990 to 2021, with projections of prevalence to 2050: a systematic analysis for the Global Burden of Disease Study 2021 · 2023 · 4,742 citations
25. Global burden of bacterial antimicrobial resistance 1990–2021: a systematic analysis with forecasts to 2050 · 2024 · 3,888 citations
26. Global, Regional, and National Burden of Cardiovascular Diseases for 10 Causes, 1990 to 2015 · 2017 · 3,791 citations
27. Mortality, morbidity, and risk factors in China and its provinces, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2019 · 3,654 citations
28. Alcohol use and burden for 195 countries and territories, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 3,523 citations
29. Global, regional, and national burden of stroke, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2019 · 3,272 citations
30. The effect of malaria control on Plasmodium falciparum in Africa between 2000 and 2015 · 2015 · 3,227 citations
31. Causes of blindness and vision impairment in 2020 and trends over 30 years, and prevalence of avoidable blindness in relation to VISION 2020: the Right to Sight: an analysis for the Global Burden of Disease Study · 2020 · 3,186 citations
32. Global burden of 288 causes of death and life expectancy decomposition in 204 countries and territories and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 · 2024 · 2,878 citations
33. Global burden and strength of evidence for 88 risk factors in 204 countries and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 · 2024 · 2,871 citations
34. Global, regional, and national burden of Parkinson's disease, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 2,815 citations
35. The global distribution of clinical episodes of Plasmodium falciparum malaria · 2005 · 2,740 citations
36. Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks in 188 countries, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013 · 2015 · 2,700 citations
37. Global, regional, and national deaths, prevalence, disability-adjusted life years, and years lived with disability for chronic obstructive pulmonary disease and asthma, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015 · 2017 · 2,541 citations
38. Global, Regional, and National Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life-Years for 29 Cancer Groups, 1990 to 2017 · 2019 · 2,515 citations
39. Global, regional, and national burden of Alzheimer's disease and other dementias, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 2,410 citations
40. Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2017 · 2,406 citations
41. The global, regional, and national burden of inflammatory bowel disease in 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2019 · 2,309 citations
42. Prevalence and attributable health burden of chronic respiratory diseases, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2020 · 2,275 citations
43. Global, regional, and national burden of neurological disorders during 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015 · 2017 · 2,275 citations
44. Global mortality associated with 33 bacterial pathogens in 2019: a systematic analysis for the Global Burden of Disease Study 2019 · 2022 · 2,232 citations
45. The global distribution of the arbovirus vectors Aedes aegypti and Ae. albopictus · 2015 · 2,167 citations
46. Global, regional, and national disability-adjusted life-years (DALYs) for 315 diseases and injuries and healthy life expectancy (HALE), 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015 · 2016 · 2,162 citations
47. Global, regional, and national burden of osteoarthritis, 1990–2020 and projections to 2050: a systematic analysis for the Global Burden of Disease Study 2021 · 2023 · 2,108 citations
48. Global, regional, and national disability-adjusted life-years (DALYs) for 333 diseases and injuries and healthy life expectancy (HALE) for 195 countries and territories, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2017 · 2,080 citations
49. Global, regional, and national burden of disorders affecting the nervous system, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 · 2024 · 2,076 citations
50. Estimating excess mortality due to the COVID-19 pandemic: a systematic analysis of COVID-19-related mortality, 2020–21 · 2022 · 2,067 citations
51. Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life Years for 29 Cancer Groups From 2010 to 2019 · 2021 · 2,039 citations
52. Smoking prevalence and attributable disease burden in 195 countries and territories, 1990–2015: a systematic analysis from the Global Burden of Disease Study 2015 · 2017 · 2,027 citations
53. Global, regional, and national burden of traumatic brain injury and spinal cord injury, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 2,008 citations
54. The Burden of Primary Liver Cancer and Underlying Etiologies From 1990 to 2015 at the Global, Regional, and National Level · 2017 · 1,985 citations
55. Estimates of the global, regional, and national morbidity, mortality, and aetiologies of lower respiratory infections in 195 countries, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 1,977 citations
56. Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic analysis for the Global Burden of Disease Study 2019 · 2020 · 1,970 citations
57. Global, regional, and national disability-adjusted life years (DALYs) for 306 diseases and injuries and healthy life expectancy (HALE) for 188 countries, 1990–2013: quantifying the epidemiological transition · 2015 · 1,966 citations
58. Global, regional, and national burden of low back pain, 1990–2020, its attributable risk factors, and projections to 2050: a systematic analysis of the Global Burden of Disease Study 2021 · 2023 · 1,917 citations
59. Global, regional, and national burden of migraine and tension-type headache, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 1,911 citations
60. Refining the Global Spatial Limits of Dengue Virus Transmission by Evidence-Based Consensus · 2012 · 1,871 citations
61. Global, regional, and national burden of stroke and its risk factors, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 · 2024 · 1,798 citations
62. Spatial, temporal, and demographic patterns in prevalence of smoking tobacco use and attributable disease burden in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Disease Study 2019 · 2021 · 1,759 citations
63. The global, regional, and national burden of cirrhosis by cause in 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2020 · 1,714 citations
64. Global Burden of Cardiovascular Diseases and Risks, 1990-2022 · 2023 · 1,685 citations
65. Global, regional, and national levels and causes of maternal mortality during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013 · 2014 · 1,644 citations
66. The global burden of disease attributable to alcohol and drug use in 195 countries and territories, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 1,571 citations
67. Global, Regional, and National Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life-Years for 29 Cancer Groups, 1990 to 2016 · 2018 · 1,520 citations
68. Global, Regional, and National Levels and Trends in Burden of Oral Conditions from 1990 to 2017: A Systematic Analysis for the Global Burden of Disease 2017 Study · 2020 · 1,518 citations
69. The State of US Health, 1990-2016 · 2018 · 1,515 citations
70. Fertility, mortality, migration, and population scenarios for 195 countries and territories from 2017 to 2100: a forecasting analysis for the Global Burden of Disease Study · 2020 · 1,502 citations
71. Estimates of the global, regional, and national morbidity, mortality, and aetiologies of diarrhoea in 195 countries: a systematic analysis for the Global Burden of Disease Study 2016 · 2018 · 1,479 citations
72. Trends in prevalence of blindness and distance and near vision impairment over 30 years: an analysis for the Global Burden of Disease Study · 2020 · 1,429 citations
73. The current and future global distribution and population at risk of dengue · 2019 · 1,402 citations
74. Estimates of global, regional, and national morbidity, mortality, and aetiologies of diarrhoeal diseases: a systematic analysis for the Global Burden of Disease Study 2015 · 2017 · 1,397 citations
75. Past and future spread of the arbovirus vectors Aedes aegypti and Aedes albopictus · 2019 · 1,395 citations
76. Global, regional, and national burden of bone fractures in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Disease Study 2019 · 2021 · 1,290 citations
77. Global, regional, and national age-sex-specific mortality and life expectancy, 1950–2017: a systematic analysis for the Global Burden of Disease Study 2017 · 2018 · 1,210 citations
78. Global epidemiology of sickle haemoglobin in neonates: a contemporary geostatistical model-based map and population estimates · 2012 · 1,195 citations
79. Global, regional, and national levels of maternal mortality, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015 · 2016 · 1,162 citations
80. Global, regional, and national prevalence of adult overweight and obesity, 1990–2021, with forecasts to 2050: a forecasting study for the Global Burden of Disease Study 2021 · 2025 · 1,146 citations
81. A new world malaria map: Plasmodium falciparum endemicity in 2010 · 2011 · 1,145 citations
82. Global Burden of Sickle Cell Anaemia in Children under Five, 2010–2050: Modelling Based on Demographics, Excess Mortality, and Interventions · 2013 · 1,136 citations
83. The global burden of dengue: an analysis from the Global Burden of Disease Study 2013 · 2016 · 1,125 citations
84. Hearing loss prevalence and years lived with disability, 1990–2019: findings from the Global Burden of Disease Study 2019 · 2021 · 1,119 citations
85. Zika virus in the Americas: Early epidemiological and genetic findings · 2016 · 1,091 citations
86. Global, regional, and national burden of multiple sclerosis 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2019 · 1,066 citations
87. Nations within a nation: variations in epidemiological transition across the states of India, 1990–2016 in the Global Burden of Disease Study · 2017 · 1,061 citations
88. Global age-sex-specific mortality, life expectancy, and population estimates in 204 countries and territories and 811 subnational locations, 1950–2021, and the impact of the COVID-19 pandemic: a comprehensive demographic analysis for the Global Burden of Disease Study 2021 · 2024 · 1,038 citations
89. Global, regional, and national burden of epilepsy, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 · 2019 · 1,033 citations
90. Predicted global distribution of Burkholderia pseudomallei and burden of melioidosis · 2016 · 1,026 citations
91. Burden of disease scenarios for 204 countries and territories, 2022–2050: a forecasting analysis for the Global Burden of Disease Study 2021 · 2024 · 1,025 citations
92. Measuring performance on the Healthcare Access and Quality Index for 195 countries and territories and selected subnational locations: a systematic analysis from the Global Burden of Disease Study 2016 · 2018 · 1,011 citations
93. The global distribution and population at risk of malaria: past, present, and future · 2004 · 1,002 citations
94. Estimated Global Proportions of Individuals With Persistent Fatigue, Cognitive, and Respiratory Symptom Clusters Following Symptomatic COVID-19 in 2020 and 2021 · 2022 · 978 citations
95. Global, regional, and national incidence and mortality for HIV, tuberculosis, and malaria during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013 · 2014 · 975 citations
96. The global burden of cancer attributable to risk factors, 2010–19: a systematic analysis for the Global Burden of Disease Study 2019 · 2022 · 959 citations
97. Burden of 375 diseases and injuries, risk-attributable burden of 88 risk factors, and healthy life expectancy in 204 countries and territories, including 660 subnational locations, 1990–2023: a systematic analysis for the Global Burden of Disease Study 2023 · 2025 · 903 citations
98. Temporal trend and attributable risk factors of stroke burden in China, 1990–2019: an analysis for the Global Burden of Disease Study 2019 · 2021 · 894 citations
99. Mapping the Global Distribution of Livestock · 2014 · 893 citations
100. Global antibiotic consumption and usage in humans, 2000–18: a spatial modelling study · 2021 · 865 citations