Urbanization refers to an increase in the proportion of people living in urban areas compared to rural areas. While urbanization creates job opportunities and advances technology and infrastructure, it can also lead to issues like lack of sanitation, poverty, illiteracy, unemployment, and pollution. Rapid and unplanned urbanization can quickly result in urban violence and social unrest as the high cost of living in cities can trap people in poverty. Both small businesses and agriculture are negatively impacted as markets shift due to urbanization. Careful control of urban growth is needed to balance development and environmental protection.