Social problems affect communities through economic, political, environmental, and cultural factors. Poverty affects 9% of global population earning less than $2 daily. Homelessness and unemployment create barriers to basic needs. Discrimination limits opportunities based on race, gender, age, religion, or beliefs
A city differs from a town by size, population density, importance, or legal status. Cities typically consist of residential, industrial, business areas and administrative functions. Cities can be coastal or river-based, often with water transportation advantages
Mexico has a population of approximately 129 million as of 2022. 76% of the population resides in urban areas, while 23% lives in rural areas. Mexico City is the most populous city with 9.2 million inhabitants. The Greater Mexico City metropolitan area is the second most populous globally
Housing estate is a group of homes built together as a single development. Building density varies by country and local planning norms. Usually built by single contractor with uniform appearance. Can be located in both suburban and urban areas
First skyscrapers built between 1884-1945 in New York and Chicago. Chicago's Home Insurance Building (1885) was first true skyscraper. Technological advancements enabled iron-framed structures with deep foundations. New York pioneered tower design, Chicago focused on palazzo-style buildings
Poland's population reached 37.6 million as of December 2023. Population density is 120 people per square kilometer. 59.45% of population lives in urban areas. Median age is nearly 43 years