Biggest City in World:
More than two thousand years ago, there were only 170 million people on the planet. Since then, humanity has been on an upward trend. There were 7.7 billion people in 2019, and it is expected to reach 10 billion in the 22nd century. The previously visible inhabited cities in the world are equally shocking.
According to the United Nations, our growing population has brought many challenges, especially as countries strive to achieve the Sustainable Development Goals by 2030. Basically, the more people living on the earth, the more resources we need, such as food, water, and land. , The more resources we extract from other species, the more waste we produce.
Good news: The population is declining; however, other places almost burst. The area of the planet.
Rio de Janeiro, Brazil
Inhabitants: 13,458,075
Nearly 5,400 people per square kilometer are concentrated in this urban area on the Brazilian coast, one of the most popular tourist destinations in South America, accounting for more than 20% of the country's area. In nearly 800 slums, so-called "vulnerable" areas, residents live in poverty. However, on the other hand, population growth is slowing down. In 2019, it was the most populous city in the world.
Tianjin, China:
Inhabitants: 13,589,078
Between 1953 and 1982, the port city's population of 12,000 square kilometers in Northeast China increased by 188%. Now growth has slowed remarkably since then. Between 2019 and 2020, it only rose by 1.4%, but it showed no signs of stabilization or even slowing down. Manufacturing is the largest industry in the city and is the reason for its rapid and stable growth. Interestingly, China is also one of the cities you knew at school but no longer exists.
Manila, Philippines:
Inhabitants: 13,923,452
Although the urban population growth of Manila has slowed down with the increase in suburban population over the years, this does not mean that the urban population has decreased. In fact, Manila has 111,002 people per square kilometer, making it the most populous city in the world. In addition, as many poor rural migrants move to Manila, it is expected that Manila’s strong growth will undoubtedly put additional pressure on resources. There are big cities with a million people globally, such as Manila, but there are also small countries that you don’t even know exist.
Lagos, Nigeria:
Inhabitants: 14,368,332
This port city and the largest city in Africa originated from the protected islands of the Lagos Lagoon. Still, they later expanded inland by about 50 kilometers and now cover an area of about 452 square kilometers. The population is represented by approximately 250 groups, many of whom have emigrated from rural Nigeria and neighboring countries. The vast majority of the population (66%) lives in slums. You will receive 50 different items all over the world.
Buenos Aires, Argentina:
Inhabitants: 15,153,729
Although the capital of Argentina has a population of only 3 million, the larger area of 2,681 square kilometers is home to the second-largest population in South America. In the past 70 years, a metropolitan area has grown, and the size of the city center has remained relatively stable; a stagnant economy means that people are more likely to leave the city rather than go there. The best cities people move to have strong economies usually, but the people who live there really define the city. Buenos Aires is also one of the cities in the world. According to the reviews of travel experts, the 50 most beautiful cities.
Istanbul, Turkey:
Inhabitants: 15,190,336
Istanbul, formerly Constantinople, is considered the most populous city in all of Europe, although technically half of the city is in Asia. In the 1980s, when the parameters of the city boundary expanded significantly, the number of residents in the city doubled. The world’s largest airport is located here, which is a lucky coincidence for one of the fastest-growing metropolitan areas.
Chongqing, China
Inhibitants: 15,872,179
Residents, like many cities in Asia, Chongqing’s population has grown by 3.3% since 2019. The population review pointed out that this will not change in the foreseeable future. In addition to rapid expansion, this city has another problem. With the aging of the population, the labor force shrinks-this is a strange and sober fact, considered together with the general population of Chongqing. A community that currently has an incredible 33 million residents. On the contrary, in terms of population, these are the smallest cities in the United States.
Karachi, Pakistan
Current population: 16,093,786 residents,
According to the World Bank report, one-fifth of the urban population in Pakistan lives in the former capital of Pakistan. Despite the sharp increase in the number of residents (2.2% since 2019), their quality of life is declining, and violence, inequality, and financial instability are exacerbating their growth problems. It's also one of the most populous cities in the world. 24,000 residents per square kilometer. If you feel uncomfortable with crowds, choose the best place to move to the United States before it becomes too crowded.
Osaka, Japan
Inhibitants: 19,165,340
Since 2019, the number of people living in Japan's third-largest food-centric metropolitan area has fallen by 0.3%, but nearly 20,000 people have been displaced to the Kansas region. (Including the city of Osaka), it is 27,000 kilometers long, making it a closed space. In fact, 7% of Japan's total population lives in this smaller area, namely the city of Osaka itself and its 42 communities.
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