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Old 04-12-2015, 12:32 PM
 
2,942 posts, read 1,842,840 times
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Quote:
Originally Posted by NOLA101 View Post
Tokyo is losing population, though.

And yeah, if Japan is losing population, it does mean that Tokyo is losing population. Tokyo is around 25% of Japan's population, and there is no way they are going to allow the rest of the country to completely collapse demographically.

The only way that Tokyo would not lose population would be if the rest of Japan basically collapsed.
Not true, Tokyo's population is actually increasing despite the country overall is losing population.
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Old 04-12-2015, 12:40 PM
 
10,276 posts, read 9,936,106 times
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Quote:
Originally Posted by Daywalk View Post
Not true, Tokyo's population is actually increasing despite the country overall is losing population.
Um, I don't mean to be rude, but do you know the difference between number and percent?

You are right that Tokyo's share of population in Japan is increasing. But Tokyo is also shrinking, and losing population.

You are seriously not getting how a city can lose population yet increase population share?
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Old 04-12-2015, 12:48 PM
 
Location: Somewhere in Southern Italy
2,986 posts, read 2,733,925 times
Reputation: 1494
Quote:
Originally Posted by NOLA101 View Post
Definitely not Shanghai, Seoul, Mexico City, or Sao Paulo. Those are all in countries with low birthrates, declining population (or soon to be declining population) and no immigration.
The urbanization of those countries could be a factor in their growth, it's still hard to predict the demographics of a city, area or country, there are too many factors to consider, but there seems to be a large emigration from rural inland areas to the coastal urban areas in China and i think that will be enough to keep Shanghai in the top 10.
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Old 04-12-2015, 12:51 PM
 
10,276 posts, read 9,936,106 times
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Quote:
Originally Posted by improb View Post
The urbanization of those countries could be a factor in their growth, it's still hard to predict the demographics of a city, area or country, there are too many factors to consider, but there seems to be a large emigration from rural inland areas to the coastal urban areas in China and i think that will be enough to keep Shanghai in the top 10.
True for China. They seem to be urbanizing, even if long-term population trends shows a decrease.

With Mexico City and Sao Paulo, I doubt it. The birthrates have plummeted, but people aren't moving to the main cities like in the past. Mexico City boomed faster than any other city in modern history in the 1970's, but since around 1990 or so it has barely grown.

At least in Mexico, secondary cities are seeing more growth than Mexico City, which is seen as too huge and difficult, with insane commutes for the poor (the rail doesn't serve the poor areas).
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Old 04-12-2015, 01:06 PM
 
Location: Somewhere in Southern Italy
2,986 posts, read 2,733,925 times
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Quote:
Originally Posted by NOLA101 View Post
True for China. They seem to be urbanizing, even if long-term population trends shows a decrease.

With Mexico City and Sao Paulo, I doubt it. The birthrates have plummeted, but people aren't moving to the main cities like in the past. Mexico City boomed faster than any other city in modern history in the 1970's, but since around 1990 or so it has barely grown.

At least in Mexico, secondary cities are seeing more growth than Mexico City, which is seen as too huge and difficult, with insane commutes for the poor (the rail doesn't serve the poor areas).
Yeah, you're right, there doesn't seem to be much of an increase in the last two cities, that's why i thought of replacing Sao Paulo with Kinshasa in the list, in the end i've decided to keep it though as despite its growth, Kinshasa currently has a much lower population
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Old 04-12-2015, 05:22 PM
 
76 posts, read 87,576 times
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Latin American cities will hardly register on the top ten in 2050, several latin american countries are already losing population due to very low birth rates (Cuba, Uruguay, Chile), and others are also heading that way fast (Brazil, Columbia, Mexico, Argentina)

I think in 2050 all of Latin America will be like Europe is today (dying out)

Most mega cities will be located in India, China, Africa, the middle east.
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Old 04-13-2015, 05:03 AM
 
5,822 posts, read 11,666,532 times
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Terrifying. It just can't go on like that. Will there be megacities of 1 billion people in the future? it's not sustainable.
My little finger tells me "something" is going to happen to humanity long before that...
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Old 04-13-2015, 08:38 AM
 
Location: Singapore
661 posts, read 719,901 times
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1. Mumbai
2. Dhaka
3. Mexico city
4. New York City
5. Sao Paulo
6. Rio De Janeiro
7. Shanghai
8. Shenzhen
9. Jakarta
10. Manilla
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Old 04-14-2015, 05:54 AM
 
Location: Victoria TX
42,660 posts, read 85,236,921 times
Reputation: 36620
It doesn't natter. Once a city reaches a certain threshold of magnitude, it becomes indistinguishable from all the others. Go to a city with 5-million people, and then go to another one with 20-million, and the difference will be imperceptible. It will just take you longer to reach the city's margin, which is something a great majority of the inhabitants will never do in their lifetime, so it doesn't matter how big it gets. There is no visible characteristic of, say, Jakarta, that will make it seem larger or smaller than New York or Sao Paulo or Cairo or Mumbai. They're all just Big, and applying a metric to them is like stating the comparative sizes of stars in the sky.

Besides the fact that there is no agreed-upon definition of where a city ends, where you stop counting its inhabitants, and a city can have 2-million or 10-million, based on no other detail than that definition of is perimeter. So how do you say which is larger?

Tell us whether you think the current population of Jakarta is 12-million, or 30-million, so we will know which definition you wish us to employ.

Last edited by jtur88; 04-14-2015 at 06:07 AM..
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Old 04-14-2015, 11:12 PM
 
3,644 posts, read 10,513,914 times
Reputation: 1910
Quote:
Originally Posted by tigerbalm1985 View Post
1. Mumbai
2. Dhaka
3. Mexico city
4. New York City
5. Sao Paulo
6. Rio De Janeiro
7. Shanghai
8. Shenzhen
9. Jakarta
10. Manilla
Manila will never be in the top ten because the city of Manila only has 1.6 million people at it has a tiny land area.
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