Cancer incidence worldwide
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Global Cancer Incidence: Key Statistics and Trends
Worldwide Cancer Incidence and Mortality Rates
Cancer remains a major global health challenge, with nearly 20 million new cases and 9.7 million deaths reported worldwide in 2022. This means about one in five people will develop cancer in their lifetime, and around one in nine men and one in twelve women will die from it. The most commonly diagnosed cancers globally in 2022 were lung (2.5 million new cases), female breast (2.3 million), colorectal (1.9 million), prostate (1.5 million), and stomach (1 million) cancers. Lung cancer was also the leading cause of cancer death, responsible for 1.8 million deaths, followed by colorectal, liver, female breast, and stomach cancers .
Changes Over Time: 1990 to 2022
The global cancer burden has increased significantly over the past decades. In 1990, there were about 8.1 million new cancer cases (excluding non-melanoma skin cancer), with lung, stomach, and breast cancers being the most common. By 2012, new cases had risen to 14.1 million, and by 2018, to 18.1 million. In 2020, the number reached 19.3 million, and by 2022, it was close to 20 million Ferlay2015Sung2021Bray2018+5 MORE.
Geographic and Economic Differences in Cancer Incidence
Cancer incidence rates vary widely across regions. In 2022, incidence rates ranged from over 500 per 100,000 in Australia/New Zealand to under 100 per 100,000 in Western Africa for men, and from over 400 to about 100 per 100,000 for women in the same regions. Generally, higher incidence rates are seen in more developed countries, but mortality rates can be higher in less developed regions due to limited access to early detection and treatment Sung2021Bray2018Bray2024+2 MORE.
Cancer in Older Adults
Population aging is a major factor driving the increase in cancer cases. In 2012, nearly half of all new cancer cases occurred in adults aged 65 and older. By 2035, this age group is expected to account for almost 60% of global cancer incidence, with the largest increases predicted in less developed regions .
Future Projections and Prevention
The global cancer burden is expected to rise sharply, reaching 28.4 million new cases by 2040 and potentially 35 million by 2050. The increase will be most pronounced in countries with lower resources and rapidly aging populations. Prevention strategies targeting key risk factors—such as tobacco use, obesity, and infections—could prevent millions of future cancer cases and deaths Sung2021Bray2024Soerjomataram2021.
Conclusion
Cancer incidence is rising worldwide, with significant differences across regions and age groups. Lung, breast, and colorectal cancers are the most common globally. The burden is expected to grow, especially in less developed countries and among older adults. Effective prevention, early detection, and improved access to care are essential to control the global impact of cancer in the coming decades Sung2021Bray2024Soerjomataram2021+1 MORE.
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