The world’s population is projected to grow from 7.7 billion in 2019 to 8.5 billion in 2030 (10% increase), and further to 9.7 billion in 2050 (26%) and to 10.9 billion in 2100 (42%). The population of sub-Saharan Africa is projected to double by 2050 (99%). Other region...s will see varying rates of increase between 2019 and 2050: Oceania excluding Australia/New Zealand (56%), Northern Africa and Western Asia (46%), Australia/New Zealand (28%), Central and Southern Asia (25%), Latin America and the Caribbean (18%), Eastern and South-Eastern Asia (3%), and Europe and Northern America (2%).
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By 2100, new UN figures show that 4 of today’s 10 most populous nations will be replaced by African countries.
Brazil, Bangladesh, Russia and Mexico—where populations are projected to stagnate or decline—will drop out. In their place: Democratic Republic of the Congo, Ethiopia, Tanzania and E...gypt. All 4 are projected to more double in population.
Top 10 rankings in population growth by 2100 include only 2 non-African nations—Pakistan and the US.
c1China will shrink by 374 million fewer people—more than the entire US population.
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Key populations brief
Accessed 2017
The number of confirmed COVID-19 cases detected and reported in each country is influenced by
many factors including limited access and/or utilization of healthcare and COVID-19 testing, limited
surveillance, lack of knowledge amongst the population about when to seek testing, an asymptomatic pres...entation, and other unknown issues. This is true in all countries of the world, and not Africa specific, however there are factors unique to Africa which may also affect the way the virus behaves there. COVID-19 prevalence data are critical for planning effective mitigation strategies and understandingthe true impact of the disease and relevant intervention measures in Africa, which might be quite different from regions with a different population age distribution or risk factor profile.
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The outbreak of COVID-19 comes with unpredictable primary and secondary impacts on vulnerable and food-insecure populations across the world. Mortality and morbidity appear to be most acute for elderly people, and those with underlying health conditions. At the same time, the widely anti...cipated economic downturn could have a more devastating effect on the world’s poor than the virus itself
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www.jogh.org • doi: 10.7189/jogh.02.020405 ~ December 2012 • Vol. 2 No. 2 • 020405
This publication provides guidance to governments, civil society organizations (nongovernmental organizations and community-based organizations) and other partners implementing HIV prevention, care and treatment programs with key populations. This guide is designed to assist these programs in the de...velopment of monitoring systems for frontline workers (such as peer outreach workers, staff outreach supervisors and program managers) to understand performance. It includes comprehensive tools and forms that various levels of staff can use to collect and analyze data to manage and improve a program.
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Key Populations Brief
Accessed November 2017