The demographic trends and developments pose significant challenges to societies and economies.
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Global demographic and social megatrends include population growth, the ageing of the population, urbanisation and migration.
The growth of the world population is progressing. In 2020, there were about 7.8 billion people living on the Earth. This means that the world population has more than doubled in the last 50 years and approximately quadrupled compared to 100 years ago. Depending on the underlying models, the world population in 2100 will be between 8.8 and 10.9 billion.
Longevity is an issue in most societies today. Findings in all demographic studies suggest a shifting age structure in most parts of the world towards ageing societies. These developments are even more pronounced in industrialised and high-income countries.
Until the 19th century, Ancient Rome was the only city in human history with more than one million inhabitants. In the year 1820, London was the first modern city that crossed this threshold. Today, more than 500 cities worldwide present themselves with a population of more than one million. In 33 of them, the population exceeds the 10 million mark. These cities are also called megacities. By 2030, there will be a projected 662 cities with at least 1 million inhabitants and 43 megacities. While in 1950 only about 30% of the world's population lived in cities, this figure had risen to about 55% by 2018. By 2050, the global urban population is expected to account for 68% of the world's total population.
The International Migration 2019 report by the UN DESA’s Population Division examined migration levels and trends. The number of international migrants globally reached an estimated 272 million in 2019. This represented an increase of 119 million (78%) since 1990. Migration forecasts for the future vary widely, as many influencing factors can only be estimated insufficiently.
A fundamental challenge in making long-term forecasts, regardless of the modelling strategy, is the existence of potential changes in trends far in the future that cannot be predicted. This represents a limitation for all demographic models presented so far. Key influencing factors are:
These trends and developments already pose significant challenges to societies and economies, but will intensify in the future. Some current examples are social issues, the future of work, health risks in cities, and the potential long-term impact of Covid-19.
Global demographic and social megatrends are of particular importance for (re)insurance and need to be addressed. Several lines in both, property & casualty and life & health, but also in operations, will be affected. If handled appropriately, the (re)insurance industry will not only face challenges and claims, but should also be able to identify new business opportunities to cover unmet insurance needs.