Global Scans · Demographics · Weekly Summary

• [New] By 2075, over 80% of the population of the Global South will be Christian. Evangelical Focus
• [New] The number of Christians will increase by one billion by 2075, reaching almost 3.7 billion, which will account for nearly 36% of the global population. Evangelical Focus
• [New] In 2040, Australia is projected to have a population of 30,357,450 people. PopulationPyramid.net
• [New] With Singapore's population ageing and dementia cases expected to climb, the Agency for Integrated Care, which coordinates care services for seniors, helped train staff to recognise and support commuters living with dementia. ST
• [New] A rapidly aging population could reduce China's long-term economic growth and undermine the resources available for military expansion, technological development and international influence. UPI
• [New] The percentage of the population aging into Medicare is rapidly rising, with spending expected to accelerate in the next 10 years. KFF Health News
• [New] With the global population over 60 expected to double by 2050, AI-driven preventive health measures could significantly reduce the burden on healthcare systems while improving quality of life. Briefs Finance
• [New] Nearly 39% of China's population will be of retirement age. Medium
• [New] The majority of the adult population 50 years and older, across all races, will have at least one chronic disease by 2050, with the majority between the ages of 60 to 79 years. PubMed Central (PMC)
• [New] In a population-based case-control study in Shanghai, China, consumption of green tea was associated with a reduced risk of lung cancer among non-smoking women and the risk decreased with increasing consumption. PubMed Central (PMC)
• [New] As per the United Nations study released in 2017, the global geriatric population was about 962 million and is projected to reach over 2.1 billion by 2050. Straits Research
• [New] 30% of the Canadian population currently owns smart home devices, which is expected to increase to 50-55%. Straits Research
• [New] In Japan, the Ministry of Health, Labour and Welfare highlights that the working-age population is projected to shrink by nearly 20% by 2040. Persistence Market Research
• [New] The population at risk is largest in the populous deltas in Asia and Africa, and that low, small islands, where places for safe migration are very much limited, are especially vulnerable as well. PubMed Central (PMC)
• [New] Vulnerable Populations: About 680 million people (<? > 10% of the global population) live in low-lying islands and coastal areas, putting them at heightened risk. Climate Change Tracker
• [New] The future trajectory is equally alarming: if current trends persist, over half of the world's population will be overweight or obese by 2035, and approximately one-quarter of people (nearly 2 billion) will have obesity. PubMed Central (PMC)
• [New] The global population of people living with HIV will reach 50 million by 2050; the case for a scalable cure is urgent. PubMed Central (PMC)
• [New] Over 2.5 billion people - or over 40% of the world's population - are now at risk from dengue. Baylor College of Medicine
• [New] The number of cancer cases is projected to reach 34 million by 2050, a 67% increase from 2024, solely based on population ageing and growth. American Cancer Society MediaRoom
• [New] 68% of the global population is projected to live in urban areas by 2050, creating structural tailwinds for residential and commercial interior demand. Persistence Market Research
• [New] The demand for animal-derived protein is projected to rise by 74% to 114% by 2050, fueled by global population growth. PubMed Central (PMC)

Last updated: 09 August 2026