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(ZY.4.06) Demography

[New] Many countries are at an earlier stage of population ageing, due to the 'youth bulge' and earlier trends of high fertility rates, the rate of ageing will be considerable by 2050.
[New] Sub-Saharan Africa faces multi-dimensional security risks in the 21st century, such as rapid population growth and urbanization, ethnic tensions, environmental degradation, and climate change.
With almost 70% of the world's population estimated to be living in cities by 2050, mainly in Africa and Asia, environmental impacts of urbanisation could worsen without solutions.
Most recently, the United Nations recognized that a profound change of the global food and agriculture system is needed to nourish today's 795 million hungry and the additional 2 billion increase in global population expected by 2050.
The global Muslim population is expected to grow at a faster rate than the Christian population due primarily to the young age and high fertility rate of Muslims.
In the absence of further net migration, ONS projects that natural change (i.e. births minus deaths) would be negative after 2028, and that over the next 25 years to 2043, the population would slightly decline.
The assumed long-term rate of mortality improvement in 2043 for the UK and each of its countries has been set at 1.2% for ages 0 to 90 years.
Resilience will become increasingly important in the coming years as the UK's economic infrastructure faces the challenges of climate change, increasing population and adapting to advances in technology.
Climate change will mean economic losses in Indonesia of between 2.5 and 7 per cent of GDP by 2100, an economic impact that will fall primarily on the shoulders of the poorest population.
Given the rapid aging of German society, labor needs will only continue to grow: Germany's working-age population is projected to further shrink by four to six million people until 2035, increased immigration notwithstanding.
Population growth is increasingly tied to Canada immigration and-if current levels continue-nearly half of the population will likely be immigrants or children of immigrants by 2036.
As world urbanisation continues to grow and the total population expected to double by 2050, there exists an increased demand for intelligent, sustainable environments that reduce environmental impact and offer citizens a high quality life.
With a rapidly growing population and increasing impact of climate change, the disaster impact in Africa will likely increase in the coming decades.
The fertility rate is declining so that global population growth will be below the replacement rate by 2030.
US population growth at an expected annual rate of 0.7 percent between 2018 and 2030, accompanied by changing demographics in the next decade, are expected to lead to an average labor growth rate of 0.5 percent annually between 2018 and 2028.
With the world population expected to grow to almost 10 billion by 2050, the agricultural output needs to be more than doubled by 2050 to meet increased demand, while ensuring the sustainability of natural resources and combating climate change.
While the world is expected to add more than 3 billion people by 2100, falling fertility rates and Aging Populations will mean serious challenges that will be felt more acutely in some places than others.
While, in some countries, the relative size of the working-age population is set to decline because of population ageing - leading to labour shortages in some sectors in some economies - in others, the relative size of the working-age population is projected to increase over the coming decades.
The health impacts of climate change are likely to be exacerbated by ageing populations in emerging economies, with the global population of people aged over 65 expected to explode by 2050, effectively doubling the proportion of older people in the global population.
In 2019, all 5 native UK breeds of goats, all 11 native breeds of pigs, 14 of 19 native horse breeds, 46 of 59 native sheep breeds, and 26 of 34 native cattle breeds were classified as NBAR9 (Native Breeds at Risk).
Brazil, China, and Turkey have already seen sharp drops in fertility: Brazil's youthful population is projected to decline by 5 million by 2030; China's will drop by 75 million; Turkey's is expected to decline slightly by 2030.
South Korea in particular is on the cusp of a steep demographic decline, with one of the world's lowest fertility rates and a population that could be the world's grayest in the coming decades.

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Last updated: 18 February 2020