[colombiamigra] Fw: [NIEM] World City Populations 1950-2013 [mapa interativo]
- From: "william mejia" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "wmejia8a" for DMARC)
- To: Colombiamigra <colombiamigra@xxxxxxxxxxxxx>
- Date: Thu, 31 Dec 2015 17:25:23 +0000 (UTC)
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From: "'niem.migr' NIEM.migr@xxxxxxxxx [niem_rj]" <niem_rj@xxxxxxxxxxxxxxxxxx>
To: niem_rj@xxxxxxxxxxxxxxxxxx
Sent: Thursday, December 24, 2015 7:54 AM
Subject: [NIEM] World City Populations 1950-2013 [mapa interativo]
http://luminocity3d.org/WorldCity/#3/-1.49/-25.31
The Global Urban Transformation
This map visualises the radical transformation that has occurred across the
globe in the last 60 years, from a 30% urban world in 1950, to a 54% urban
world in 2015 and a predicted two-thirds urban world in 2050. In 1950 there
were 740m people living in cities; there are now 4 billion, rising to a
predicted 6.3b by 2050. The circles on the map are proportional to city
populations in 1950, 1990, 2015 and 2030. Move your mouse over cities to
explore their detailed dynamics. Data is from theUN World Urban
Propospects.Industrialisation and urban growth in the 19th and early 20th
centuries were powered by Western Europe and the North-Eastern USA, but the
urban population of these regions have not expanded since 1950. Recent growth
is instead the result of rapid urbanisation in China, India, Latin America and
increasingly Africa. Over half of the world's urban population is now is Asia,
with China alone comprising 20% of the global total. Asia and Africa will
together account for 90% of the additional 2.3b urban dwellers predicted
between 2015 and 2050.The pace of recent change at the city level is
unprecedented in human history. Shanghai (click on the city link to focus the
map) gained 16 million people between 1990 and 2015, Beijing 13.6 million,
Dhaka 11 million. Delhi gained 16 million residents between 1990-2015 and is
now the world’s second largest city of 26m. Delhi will likely overtake Tokyo to
become the world's largest city in the 2030s with nearly 40m residents.Small
towns like Shenzhen, Xiamen and Dubaihave become cities of several million in
little over two decades. While the proportion of urban residents living in
large cities is increasing, it is important to realise that 50% of the global
urban population live in settlements of less than 0.5m. The minimum population
threshold for cities included in this map is 0.3m.Our increasingly urban world
now frames many of society’s greatest challenges. From global equality to
health, education, prosperity and, not least, sustainability, solutions need to
be interwoven with fostering liveable, efficient and inclusive cities.
Waves of Growth
We can see distinct waves of urban growth and stagnation over time. In the
1960s and 1970s, economic growth in Japan, Mexico, Brazil and laterSouth Korea
produced rapid urban growth. This growth peaked in 1990 in Japan, in 2000 in
South Korea, and city populations are now peaking in Latin America. This is the
typical urbanisation cycle of population stabilisation following
development.China and India’s rapid growth has been much more recent,
accelerating in the 1990s and 2000s. China’s growth is predicted to slow over
the next two decades, with its total population peaking around 2025, although
it's rate of urbanisation will continue to rise towards 70% in 2030. India’s
population growth will continue much longer to around 2060. There remains a
huge rural Indian population of 800 million people, a significant proportion of
which will urbanise in coming decades.Meanwhile many sub-Saharan African
countries are just beginning their rapid urban expansion. Lagosis set to gain
11 million residents between 2015 and 2030, Kinshasa 8 million, Dar es Salaam
5.6 million, Luanda 4.9 million. Urbanisation in Africa will ideally bring the
scale of poverty reduction achieved in countries like China, though clearly
there are many challenges and huge diversity across the region.
Find Out More
Analysis page- Query the city data and select cities according to their
population and growth during different time periods.UN World Urbanisation
Prospects- The dataset used to make this visualisation, with detailed reporting
on the future of the world's cities.Mapping tools used- more information on how
this visualisation was created
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