Oncology Imaging

Gaps in Global Cancer Burden Widen

About 20.6M people worldwide were diagnosed with cancer in 2024, a nearly 7% increase from 2020, WHO estimates. The number is sobering, and while the organization’s Global Status Report on Cancer 2026 revealed progress is being made, it isn’t being made equally.

The global cancer burden remains high.

  • Cancer led to nearly 17% of all global deaths in 2021 and was estimated to be the leading cause of premature deaths in 41 countries. 
  • As of 2024, breast cancer made up 25% of diagnoses in women. Lung cancer led male diagnoses, making up 16% of cancer incidence. 
  • Much of the burden is falling on younger populations: Nearly half of the 9.7M cancer-related deaths in 2024 were among people aged 30 to 69. 

WHO’s initial 2020 report set priorities to improve care — now it’s time for a temperature check. Some things have gotten better:

  • Global tobacco use decreased by 27% from 2010 to 2025.
  • HPV vaccination programs in 85% of countries have reduced infection-related cancers by 22%.

But it’s not all good news. Insufficient progress has been made in…

  • Radiotherapy access, with no radiation facilities at all in 23 low- and middle-income countries (LMICs).
  • Diagnostics, with 47% of populations lacking access to basic diagnostic services.

Breast cancer statistics bear out these disparities.

  • 28% of LMICs have an early diagnosis rate >60% versus 91% of high-income countries (HICs).
  • Early diagnosis = better survival odds. Many HICs had 5-year survival rates 4x higher than some sub-Saharan African countries, where the average 5-year survival rate was 39%.

The findings may sound familiar. Several U.S. studies have linked socioeconomic disparities to decreased screening rates – WHO’s report shows this distressing trend on a global scale. 

Still, WHO offers recommendations to mitigate the unequal burden of cancer. They outline seven specific shifts in capabilities, protections, and priorities that can be made by governments, clinicians, and civilians alike. They include: 

  • Embedding cancer control in universal health coverage.
  • Strengthening health system capacity.
  • Enhancing social protections.
  • Including individuals with lived experience of cancer in decision-making.
  • Promoting transparent data.
  • Aligning research with the needs of LMICs.
  • Unifying the global cancer agenda. 

The Takeaway

While WHO’s 2026 report on global cancer shows the world has made headway in battling the cancer burden, huge disparities in access to screening and treatment make it hard to celebrate just yet. Low- and middle-income countries continue to face decreased treatment access and survival rates, especially in breast cancer.

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