Q.Which one of the following states has the highest density of population in India?

The table gives us the percentage share of each country in the world population. For China, that figure is 17.2%, and for Brazil, it is 2.68%. To find the combined share of these two countries, we simply add their individual percentages.

17.2 + 2.68 = 19.88

Population growth refers to the change in the number of individuals in a population over a specific period. It is typically expressed as a percentage. When the number of deaths and emigration exceeds the number of births and immigration, a population experiences negative growth, meaning its total size decreases. Historically, major epidemics, famines, or wars have been the primary drivers of such declines.

1. Understanding Population Growth Trends in India:

   India's population has generally shown a continuous upward trend throughout its recorded history. However, there is one notable exception where the population actually declined. This period is often referred to as the "Great Divide" in India's demographic history.

2. Identifying the Decade of Negative Growth:

   Among the options provided, the decade from 1911 to 1921 stands out. During this ten-year period, India's population registered a decrease.

   Important

   The decade 1911-1921 is unique in India's demographic history for recording a negative population growth rate.

3. Reasons for Negative Growth (1911-1921):

   The primary reason for this unprecedented decline was the severe influenza pandemic of 1918-1919, often called the "Spanish Flu." This global pandemic had a catastrophic impact on India, leading to millions of deaths. Estimates suggest that between 5% and 6% of India's total population perished during this epidemic. In addition to the influenza, the decade also saw the lingering effects of famines and other diseases, which further contributed to high mortality rates. The combination of these factors led to a situation where the death rate significantly surpassed the birth rate, resulting in an overall population reduction.

4. Population Growth in Other Decades:

   • 1931 to 1941: India's population continued to grow, albeit at a moderate pace.
   • 1951 to 1961: This decade marked the beginning of a period of rapid population growth in India, often termed the "population explosion," due to significant improvements in public health, disease control, and a consequent sharp decline in mortality rates, while birth rates remained high.
   • 1971 to 1981: Population growth remained high during this decade, though efforts towards family planning were beginning to be implemented.

Therefore, the only decade among the given options that experienced negative population growth was 1911 to 1921.

India's urbanisation story is deeply uneven. While some states have transformed into industrial and service hubs with sprawling cities, others remain anchored to agriculture and village life. Understanding which states fall at the lower end of the urbanisation spectrum tells us as much about economic structure as it does about geography and history.

Bihar stands out as one of India's least urbanised states. Despite being densely populated, the overwhelming majority of its people live in villages. The state's economy remains heavily agrarian, with limited industrial growth and few large urban centres beyond Patna. Historical underinvestment in infrastructure and industry has meant that rural-to-urban migration within the state has been modest; instead, many Biharis migrate out to cities in other states for work.

Himachal Pradesh presents a different picture but arrives at a similar outcome. This hill state's terrain makes large-scale urbanisation difficult. Settlements are scattered across valleys and slopes, and the economy leans on agriculture, horticulture, and tourism rather than manufacturing or services that typically concentrate populations in cities. Shimla and a few other towns exist, but they house only a small fraction of the state's people.

Now contrast this with the other options. Punjab and Gujarat are both highly urbanised—Punjab through its prosperous towns and Gujarat through its industrial cities like Ahmedabad and Surat. Goa and Maharashtra are even more so; Mumbai alone makes Maharashtra one of India's most urban states, and Goa's compact geography and tourism economy have driven significant urban growth. Madhya Pradesh has moderate urbanisation, while Kerala, though densely populated, has a unique settlement pattern of continuous habitation that blurs rural-urban lines but still registers higher urban percentages than Bihar or Himachal Pradesh.

The answer becomes clear when we recognise that Bihar and Himachal Pradesh share the twin characteristics of limited industrial bases and geographic or economic constraints on city growth.

Why urbanization projections matter

The movement of populations from rural to urban areas has been one of the defining demographic shifts of the past century. Understanding these trends helps governments plan infrastructure, housing, healthcare, and environmental policy. The United Nations tracks urbanization rates globally and produces long-term estimates based on current migration patterns, birth rates in urban versus rural areas, and economic development trajectories.

The urbanization trajectory

1. Historical baseline: In 1950, only about 30% of the world's population lived in urban areas. Cities were smaller, and most people worked in agriculture or rural industries.

2. Current state: As of the early 2020s, approximately 55–56% of the global population lives in urban areas. This represents a dramatic shift driven by industrialization, better urban employment opportunities, and rural-to-urban migration.

3. Projection to 2050: The UN Department of Economic and Social Affairs projects that urbanization will continue accelerating, particularly in Africa and Asia. By 2050, the urban share is expected to reach approximately 68%, or roughly two-thirds of the total population.

4. Regional variation: The pace differs by continent. Africa and Asia are urbanizing rapidly, while Europe and North America are already highly urbanized (80–85%) and will see slower growth.

Understanding population growth rates is crucial for comprehending demographic shifts and their implications for development planning. A population growth rate indicates how quickly the number of individuals in a population is increasing or decreasing over a specific period, usually a decade in the context of Indian censuses. This metric helps policymakers allocate resources, plan infrastructure, and address social needs effectively.

The decade from 2001 to 2011 saw varying population growth trends across India's states and union territories. While some states experienced significant increases, others showed more moderate growth, and a few even registered a decline in population. The states listed in the question—Manipur, Nagaland, Mizoram, and Sikkim—are all located in the northeastern part of India, a region known for its diverse demographic patterns.

Let us examine the population growth rates for each of these states during the 2001-2011 decade:

• Manipur: This state recorded a population growth rate of 24.50%. This indicates a substantial increase in its population over the ten-year period.
• Nagaland: Uniquely among Indian states, Nagaland registered a negative population growth rate of -0.58% during this decade. This means its population actually decreased slightly between 2001 and 2011, a rare demographic phenomenon in India.
  Note

  A negative growth rate signifies a decline in the total population, which can be influenced by factors such as out-migration, lower birth rates, or higher death rates.

• Mizoram: Mizoram experienced a robust growth rate of 23.48%, indicating a significant expansion of its population.
• Sikkim: Sikkim's population grew at a rate of 12.89%, which is a moderate increase compared to Manipur and Mizoram, but still a positive growth.

Comparing these figures, Manipur's growth rate of 24.50% stands out as the highest among the four states provided. While Mizoram also showed strong growth, Manipur's rate was marginally higher. Nagaland's negative growth rate makes it an outlier, highlighting the diverse demographic trajectories within the region.