Final answer:
The increase in the service sector proportion of GDP is most pronounced in high-income countries. These countries have a greater shift towards service-based industries, contributing to their large share of global GDP despite having a smaller population. This trend indicates an evolving economy moving towards knowledge-based services.
Step-by-step explanation:
As economies develop, there tends to be a shift from agricultural and manufacturing work to service-based industries. This shift is evident at all levels of income but is most pronounced in high-income countries. High-income nations, such as the United States, Canada, and countries within the European Union, have seen significant growth in their service sectors. These countries boast 68.3% of global GDP while only comprising 12% of the world's population. In contrast, low-income countries, defined as those with a GDP lower than $1,025 per capita, account for less than 1% of the global GDP and 18.5% of the world population. Middle-income countries, with a per capita income between $1,025 and $12,475, hold 31.1% of the global GDP and make up 69.5% of the global population.
These figures suggest that while there is a trend of convergence, with low-income and middle-income economies growing at a faster rate than high-income countries, the proportional increase in the service sector is highest in high-income countries. The increase in service sector proportion indicates an evolving economy, with potential implications for employment patterns, education requirements, and economic stability. In high-income countries, the service sector's growth could signify a move towards more knowledge-based economies and a possible decline in manufacturing jobs.