According to recent estimates from the United Nations, the world's population dynamics are set for dramatic changes by the end of this century. By 2100, India is projected to have a population of about 1.5 billion people, more than double China's estimated 633 million. This significant shift highlights India's potential demographic advantage amid evolving global trends.
Presently, India's population is approximately 1.451 billion, showing a slight increase from previous projections. This indicates steady growth, unlike many other countries experiencing population stabilization or decline. By 2061, India's population is expected to peak at around 1.701 billion before gradually stabilizing.
A notable difference between India and China is the age structure of their populations. India currently has a relatively young population with a median age of 28.4 years. In contrast, China's median age is 39.6 years. By 2100, these numbers will shift significantly, with India's median age rising to 47.8 years and China's to 60.7 years. China's aging population poses significant challenges, particularly regarding economic productivity and healthcare demands.
The United Nations report stresses that India's key challenge is not controlling population growth but leveraging its demographic dividend. The demographic dividend refers to the economic benefits that can arise when a country has a larger working-age population compared to non-working-age individuals.
India's working-age population is expected to peak around 2049, providing a critical window to capitalize on this potential. To do so, India must invest heavily in education, healthcare, infrastructure, and job creation. These investments are essential for boosting economic productivity and ensuring sustainable development.
The United Nations report also provides insights into broader global population trends. The estimated world population for 2022 has been adjusted slightly upward, from 8.1 billion to 8.2 billion. Globally, the population is expected to peak at around 10.29 billion in 2084.
Current global fertility rates stand at 2.25 births per woman. Many countries are experiencing fertility rates below the replacement level, indicating a trend towards population decline due to "ultra-low" fertility rates. Additionally, immigration will play a significant role in population growth in 62 countries through to the end of the century. This emphasizes the crucial role of migration in shaping future demographic patterns.
The United Nations' projections highlight major demographic shifts expected in the coming decades. India's population is set to significantly surpass China's, presenting both opportunities and challenges. While India stands to benefit from its youthful population, it must strategically invest to harness this potential effectively. Meanwhile, global trends in fertility and migration will continue to reshape populations worldwide. Understanding and preparing for these changes is vital for sustainable development and economic stability in the future.