Healthcare
Infographic: Which Rare Diseases Are The Most Common?
Infographic: Which Rare Diseases Are The Most Common?
Pharmaceuticals have come a long way since the apothecary days of prescribing cocaine drops for toothaches, or dispensing tapeworm diet pills.
Today, medical breakthroughs like antibiotics and vaccines save millions of lives, and contribute to the industry’s mammoth size. Yet even with rapid advancements, a select group of rare diseases still fly under the radar — and together, they affect over 350 million people worldwide.
What Are Rare Diseases?
Today’s infographic from Raconteur breaks down occurrence rates of notable rare diseases, and their collective impact on pharmaceutical drug sales. But first, let’s look at how they’re defined.
Diseases are considered rare, or “orphan” if they affect only a small proportion of the population. In general, it’s estimated that 1 in 17 people will be afflicted by a rare disease in their lifetime. At the same time, as many as 7,000 rare diseases exist, with more discovered every year.
A report by the global investment bank Torreya looks at the most common types of rare diseases that are a focus for therapeutic companies around the world:
- Multiple sclerosis emerges above all others, at 90 patients per 100,000 people.
- Narcolepsy—intermittent, uncontrollable episodes of sleepiness—affects 50 patients per 100,000.
- Primary biliary cholangitis, the damage of bile ducts in the liver, affects 40 people in 100,000.
- Rounding out the top five orphan diseases are Fabry disease (30 patients per 100,000), and cystic fibrosis (25 patients per 100,000).
One catch behind these stats? There’s actually no universal definition of what constitutes a rare disease. This means prevalence data like the above is often inconsistent, making it difficult to record the precise rate of natural occurrence.
The Cost of Rare Diseases
This gap in knowledge comes at a price—many rare diseases have constrained options for treatment. Orphan drugs are often commercially underdeveloped, as their limited end-market usage means they aren’t usually profitable enough for traditional research.
In the United States, government-backed incentives such as tax credits for R&D costs and clinical trials are speeding up the pathways from drug to market. Other places like the EU, Japan, and Australia are also following suit.
In total, it’s estimated that pharma companies focused on rare diseases are worth about half a trillion in enterprise value, roughly equal to 17.5% of the value of Big Pharma:
- Non-oncology value: $315.7B
- Oncology value: $193.1B
- Total enterprise value: $508.8B
Source: Torreya Report. Market values are for the top 31 pure play rare disease therapeutic companies.
The average cost of an orphan drug per U.S. patient annually can climb to near $151,000 (a whopping 4.5 times that of a non-orphan drug, at $34,000). That’s why the pharma industry is urgently advancing rare disease therapeutics across different categories.
Dominant Orphan Drug Sales
According to other estimates, orphan drugs are set to capture over one-fifth of global prescription sales by 2024. Blood, central nervous system, and respiratory-related drugs are currently the top therapeutic categories and are expected to keep this status into the future.
The figures below break down global orphan drug sales by therapy category, and their present and estimated future market share. Note that oncology-related orphan drug sales are excluded from this table.
Therapy Category | 2018 Sales | Market Share | 2024E Sales | Market Share | Change in Market Share |
---|---|---|---|---|---|
Blood | $21.3B | 31.4% | $33.1B | 27.9% | -3.4% |
Central nervous system (CNS) | $11.1B | 16.3% | $20.3B | 17.1% | 0.8% |
Respiratory | $7.8B | 11.5% | $13.6B | 11.5% | 0% |
Immunomodulators | $7B | 10.3% | $12.5B | 10.5% | 0.2% |
Cardiovascular | $6.7B | 9.9% | $8.5B | 7.2% | -2.7% |
Endocrine | $3.8B | 5.6% | $5.6B | 4.7% | -0.9% |
Musculoskeletal | $3.5B | 5.2% | $11B | 9.3% | 4.1% |
Systemic anti-infectives | $3.1B | 4.6% | $4.2B | 3.5% | -1% |
Gastro-intestinal | $2.9B | 4.3% | $6B | 5.1% | 0.8% |
Genito-urinary | $0.6B | 0.9% | $1.5B | 1.3% | 0.4% |
Sensory organs | $0.1B | 0.1% | $1.5B | 1.3% | 1.1% |
Dermatology | $0B | 0% | $0.7B | 0.6% | 0.6% |
Total Sales | $67.9B | $118.5B |
Source: EvaluatePharma. Industry sales are based on the top 500 pharma and biotech companies.
Much is still unknown about rare diseases in the health community. Frequent misdiagnosis, and up to an average of 8 years for an accurate diagnosis, continue to be a problem for patients.
There are two sides to the situation. On one, tech giants like Microsoft are providing digital health solutions to speed up diagnosis, through machine learning and blockchain-based patient registry.
On the other, many skeptics question whether the industry is interested in finding cures for rare diseases at all, especially when they account for a significant portion of industry revenues.
Is curing patients a sustainable business model?
Demographics
Charted: Global Tobacco Use by Country and Sex
This visual shows tobacco use by country and sex, highlighting which countries still have a high prevalence of smoking.
Charting Global Tobacco Use by Country and Sex
This was originally posted on our Voronoi app. Download the app for free on iOS or Android and discover incredible data-driven charts from a variety of trusted sources.
Globally, rates of tobacco use have been falling for decades. Today, it is estimated that one-in-five people around the world use tobacco products, according to data from the World Health Organization (WHO).
That’s still enough people to have a sizable impact on both global healthcare and the environment. And the prevalence of tobacco use by country, and by sex, varies widely.
This chart shows current tobacco use in selected countries around the world using WHO estimates for 2022.
Which People Smoke the Most?
Below we examine the entire dataset of global countries by 2022 tobacco use. Estimates are of people aged 15 years and older and include both smoked and smokeless tobacco (including vaping). Countries that had no data for 2022 have been omitted.
In almost every country, males use tobacco more than females. Globally, 36% of men are tobacco users compared to just 8% of women.
Country | Total Prevalence (%) | Male (%) | Female (%) |
---|---|---|---|
🇦🇫 Afghanistan | 22.1 | 38.3 | 5.9 |
🇦🇱 Albania | 22.4 | 38.7 | 6.6 |
🇩🇿 Algeria | 21.6 | 41.9 | 0.7 |
🇦🇩 Andorra | 33.6 | 33.3 | 33.8 |
🇦🇷 Argentina | 23.1 | 28.2 | 18.1 |
🇦🇲 Armenia | 22.5 | 49.3 | 1.7 |
🇦🇺 Australia | 12.5 | 14.8 | 10.3 |
🇦🇹 Austria | 22.0 | 23.7 | 20.5 |
🇦🇿 Azerbaijan | 19.3 | 39.6 | 0.1 |
🇧🇸 Bahamas | 10.7 | 20.6 | 2.1 |
🇧🇭 Bahrain | 18.1 | 25.7 | 4.9 |
🇧🇩 Bangladesh | 31.1 | 48.9 | 14.2 |
🇧🇧 Barbados | 6.5 | 11.7 | 1.7 |
🇧🇾 Belarus | 27.9 | 47.2 | 12.0 |
🇧🇪 Belgium | 24.7 | 27.4 | 22.1 |
🇧🇿 Belize | 8.7 | 15.5 | 1.9 |
🇧🇯 Benin | 5.5 | 9.5 | 1.7 |
🇧🇹 Bhutan | 19.6 | 27.2 | 11.0 |
🇧🇴 Bolivia | 12.2 | 20.4 | 4.1 |
🇧🇦 Bosnia and Herzegovina | 35.1 | 41.0 | 29.5 |
🇧🇼 Botswana | 18.1 | 30.2 | 6.5 |
🇧🇷 Brazil | 12.3 | 15.7 | 9.1 |
🇧🇳 Brunei Darussalam | 17.1 | 31.3 | 2.2 |
🇧🇬 Bulgaria | 34.0 | 38.1 | 30.2 |
🇧🇫 Burkina Faso | 13.5 | 21.7 | 5.5 |
🇧🇮 Burundi | 10.0 | 15.2 | 5.0 |
🇨🇻 Cabo Verde | 10.5 | 16.2 | 5.0 |
🇰🇭 Cambodia | 16.1 | 27.3 | 5.5 |
🇨🇲 Cameroon | 5.6 | 10.2 | 1.1 |
🇨🇦 Canada | 11.4 | 13.7 | 9.2 |
🇹🇩 Chad | 6.8 | 12.3 | 1.4 |
🇨🇱 Chile | 28.2 | 30.6 | 25.8 |
🇨🇳 China | 24.9 | 47.3 | 2.0 |
🇨🇴 Colombia | 8.2 | 12.1 | 4.5 |
🇰🇲 Comoros | 16.2 | 26.2 | 6.2 |
🇨🇬 Congo | 15.0 | 28.2 | 2.0 |
🇨🇰 Cook Islands | 25.5 | 30.3 | 21.4 |
🇨🇷 Costa Rica | 8.8 | 13.2 | 4.5 |
🇨🇮 Cöte d'Ivoire | 8.6 | 16.4 | 0.7 |
🇭🇷 Croatia | 32.6 | 34.2 | 31.1 |
🇨🇺 Cuba | 18.5 | 26.9 | 10.4 |
🇨🇾 Cyprus | 34.0 | 46.0 | 22.1 |
🇨🇿 Czechia | 27.5 | 31.7 | 23.3 |
🇨🇩 Democratic Republic of the Congo | 11.1 | 19.9 | 2.6 |
🇩🇰 Denmark | 16.2 | 16.4 | 16.0 |
🇩🇴 Dominican Republic | 10.2 | 14.0 | 6.5 |
🇪🇨 Ecuador | 10.1 | 17.6 | 2.6 |
🇪🇬 Egypt | 24.7 | 48.9 | 0.3 |
🇸🇻 El Salvador | 8.3 | 15.6 | 1.9 |
🇪🇪 Estonia | 25.6 | 32.9 | 19.1 |
🇸🇿 Eswatini | 8.6 | 16.2 | 1.4 |
🇪🇹 Ethiopia | 4.6 | 7.8 | 1.4 |
🇫🇯 Fiji | 27.3 | 41.7 | 13.1 |
🇫🇮 Finland | 19.6 | 23.9 | 15.4 |
🇫🇷 France | 29.2 | 31.3 | 27.3 |
🇬🇲 Gambia | 9.6 | 18.7 | 0.6 |
🇬🇪 Georgia | 29.0 | 54.7 | 7.1 |
🇩🇪 Germany | 18.8 | 21.3 | 16.4 |
🇬🇭 Ghana | 3.1 | 5.9 | 0.3 |
🇬🇷 Greece | 29.6 | 33.1 | 26.3 |
🇬🇹 Guatemala | 12.0 | 22.7 | 1.7 |
🇬🇼 Guinea-Bissau | 7.5 | 14.8 | 0.6 |
🇬🇾 Guyana | 10.5 | 19.3 | 2.2 |
🇭🇹 Haiti | 7.3 | 12.6 | 2.3 |
🇭🇳 Honduras | 12.2 | 22.7 | 1.7 |
🇭🇺 Hungary | 29.4 | 34.7 | 24.5 |
🇮🇸 Iceland | 9.4 | 9.4 | 9.4 |
🇮🇳 India | 23.9 | 36.8 | 10.4 |
🇮🇩 Indonesia | 38.5 | 73.6 | 3.4 |
🇮🇷 Iran (Islamic Republic of) | 13.9 | 24.8 | 3.1 |
🇮🇶 Iraq | 18.7 | 36.0 | 1.6 |
🇮🇪 Ireland | 18.2 | 20.5 | 16.1 |
🇮🇱 Israel | 19.8 | 26.4 | 13.3 |
🇮🇹 Italy | 20.4 | 24.1 | 16.8 |
🇯🇲 Jamaica | 9.5 | 15.8 | 3.5 |
🇯🇵 Japan | 16.8 | 26.5 | 7.7 |
🇯🇴 Jordan | 36.3 | 57.8 | 13.4 |
🇰🇿 Kazakhstan | 21.7 | 38.2 | 6.9 |
🇰🇪 Kenya | 9.2 | 16.6 | 2.1 |
🇰🇮 Kiribati | 38.2 | 51.6 | 25.7 |
🇰🇼 Kuwait | 22.7 | 35.6 | 2.1 |
🇰🇬 Kyrgyzstan | 26.4 | 51.3 | 3.3 |
🇱🇦 Lao People's Democratic Republic | 25.8 | 43.2 | 8.4 |
🇱🇻 Latvia | 30.3 | 45.6 | 17.2 |
🇱🇧 Lebanon | 34.0 | 43.1 | 25.7 |
🇱🇸 Lesotho | 22.9 | 42.0 | 4.8 |
🇱🇷 Liberia | 7.1 | 12.5 | 1.7 |
🇱🇹 Lithuania | 27.9 | 40.1 | 17.3 |
🇱🇺 Luxembourg | 21.8 | 23.3 | 20.3 |
🇲🇬 Madagascar | 25.7 | 41.7 | 9.9 |
🇲🇼 Malawi | 7.1 | 13.0 | 1.7 |
🇲🇾 Malaysia | 22.6 | 43.8 | 0.7 |
🇲🇻 Maldives | 29.3 | 43.6 | 10.1 |
🇲🇱 Mali | 7.6 | 14.4 | 0.7 |
🇲🇹 Malta | 23.2 | 25.5 | 20.6 |
🇲🇭 Marshall Islands | 30.4 | 51.8 | 8.6 |
🇲🇷 Mauritania | 9.4 | 17.2 | 2.0 |
🇲🇺 Mauritius | 20.0 | 38.1 | 2.8 |
🇲🇽 Mexico | 14.6 | 23.1 | 6.9 |
🇲🇳 Mongolia | 29.3 | 52.6 | 7.3 |
🇲🇪 Montenegro | 32.1 | 30.9 | 33.2 |
🇲🇦 Morocco | 13.1 | 25.3 | 1.0 |
🇲🇲 Myanmar | 43.9 | 69.4 | 19.2 |
🇳🇦 Namibia | 12.5 | 21.3 | 4.7 |
🇳🇷 Nauru | 49.5 | 50.3 | 48.7 |
🇳🇵 Nepal | 24.9 | 42.7 | 9.4 |
🇳🇱 Netherlands (Kingdom of the) | 20.1 | 22.5 | 17.7 |
🇳🇿 New Zealand | 11.4 | 12.7 | 10.2 |
🇳🇪 Niger | 7.7 | 14.0 | 1.3 |
🇳🇬 Nigeria | 2.9 | 5.4 | 0.4 |
🇳🇴 Norway | 14.0 | 14.8 | 13.2 |
🇴🇲 Oman | 11.0 | 17.4 | 0.4 |
🇵🇰 Pakistan | 16.9 | 27.7 | 6.2 |
🇵🇼 Palau | 17.0 | 26.3 | 7.3 |
🇵🇦 Panama | 5.1 | 8.4 | 1.9 |
🇵🇬 Papua New Guinea | 40.4 | 55.4 | 24.9 |
🇵🇾 Paraguay | 10.6 | 17.4 | 3.8 |
🇵🇪 Peru | 7.0 | 11.6 | 2.6 |
🇵🇭 Philippines | 20.4 | 36.2 | 4.3 |
🇵🇱 Poland | 23.2 | 27.6 | 19.1 |
🇵🇹 Portugal | 20.9 | 27.1 | 15.5 |
🇶🇦 Qatar | 18.8 | 24.6 | 2.3 |
🇰🇷 Republic of Korea | 18.9 | 32.7 | 5.4 |
🇲🇩 Republic of Moldova | 27.8 | 52.7 | 6.3 |
🇷🇴 Romania | 27.5 | 37.4 | 18.5 |
🇷🇺 Russian Federation | 27.2 | 42.0 | 14.8 |
🇷🇼 Rwanda | 12.0 | 17.7 | 6.7 |
🇱🇨 Saint Lucia | 13.6 | 24.8 | 3.0 |
🇼🇸 Samoa | 22.2 | 31.0 | 13.2 |
🇸🇹 Sao Tome and Principe | 7.1 | 12.6 | 1.8 |
🇸🇦 Saudi Arabia | 17.4 | 28.4 | 2.1 |
🇸🇳 Senegal | 6.0 | 11.7 | 0.6 |
🇷🇸 Serbia | 36.6 | 38.8 | 34.6 |
🇸🇨 Seychelles | 20.8 | 34.6 | 5.7 |
🇸🇱 Sierra Leone | 11.4 | 17.3 | 5.5 |
🇸🇬 Singapore | 16.4 | 27.9 | 4.0 |
🇸🇰 Slovakia | 30.2 | 35.4 | 25.4 |
🇸🇮 Slovenia | 18.1 | 20.2 | 15.9 |
🇸🇧 Solomon Islands | 37.6 | 55.3 | 19.6 |
🇿🇦 South Africa | 20.3 | 35.1 | 6.5 |
🇪🇸 Spain | 24.9 | 27.5 | 22.5 |
🇱🇰 Sri Lanka | 19.1 | 37.8 | 2.4 |
🇸🇪 Sweden | 22.1 | 28.3 | 15.9 |
🇨🇭 Switzerland | 23.3 | 26.3 | 20.4 |
🇹🇭 Thailand | 18.9 | 37.7 | 1.8 |
🇹🇱 Timor-Leste | 37.6 | 64.5 | 9.8 |
🇹🇬 Togo | 5.6 | 10.2 | 0.9 |
🇹🇴 Tonga | 30.7 | 46.8 | 15.5 |
🇹🇳 Tunisia | 20.1 | 39.7 | 1.6 |
🇹🇷 Türkiye | 30.7 | 41.9 | 19.6 |
🇹🇲 Turkmenistan | 5.4 | 10.6 | 0.5 |
🇹🇻 Tuvalu | 33.8 | 48.3 | 19.0 |
🇺🇬 Uganda | 5.3 | 9.0 | 1.8 |
🇺🇦 Ukraine | 22.0 | 38.3 | 8.5 |
🇦🇪 United Arab Emirates | 11.7 | 15.5 | 2.5 |
🇬🇧 United Kingdom | 13.1 | 15.0 | 11.4 |
🇹🇿 United Republic of Tanzania | 7.5 | 13.1 | 2.2 |
🇺🇸 United States of America | 23.0 | 28.6 | 17.5 |
🇺🇾 Uruguay | 19.3 | 23.0 | 16.0 |
🇺🇿 Uzbekistan | 16.2 | 31.8 | 1.0 |
🇻🇳 Viet Nam | 22.8 | 44.3 | 2.2 |
🇾🇪 Yemen | 20.8 | 33.7 | 7.9 |
🇿🇲 Zambia | 12.0 | 21.8 | 2.7 |
🇿🇼 Zimbabwe | 9.2 | 19.0 | 0.8 |
From a regional perspective, we can see many countries in Europe and Asia have higher rates of tobacco use. Indonesia and Myanmar specifically have some of the highest tobacco use rates in the world, with 73.6% of Indonesian men estimated to smoke or use tobacco.
In many Asian countries we also see a greater difference between male and female smokers compared to the rest of the world. In China for example, 47.3% of males are estimated to use tobacco compared to just 2.0% of females.
On the other hand, the Americas and especially Africa have a lower prevalence of tobacco use. Nigeria at 2.9% had the lowest rate of tobacco use in the world in 2022.
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