Demographic Inequality: Global Shifts, Migration Patterns, and Socio-Economic Disparities.

This systematic review critically examines the interplay between demographic shifts, migration patterns, and socioeconomic disparities, particularly emphasising how crises such as the COVID-19 pandemic have intensified these inequalities. Through a multidisciplinary approach, the study synthesizes global data from authoritative sources, including the WHO, the UN, and the World Bank, to assess regional disparities and demographic-specific vulnerabilities. Employing PRISMA 2020 protocols and the PICO framework, the analysis integrates findings from 16 studies conducted between 2020 and 2023, applying thematic and comparative methodologies to uncover patterns, policy gaps, and structural inequities. Findings highlight the profound influence of demographic factors such as age, gender, and geographic location on disparities in health, education, and labour market outcomes. The study identifies critical themes, including migration vulnerabilities, regulatory inconsistencies, and the socio-economic challenges associated with ageing populations. While sub-Saharan Africa has a growing youth population and high unemployment rates, European nations face economic pressures from ageing demographics. The pandemic has further exacerbated these inequalities, disproportionately impacting women, rural communities, and older adults, thereby deepening existing structural divides. A nuanced examination of these dynamics provides a robust foundation for addressing demographic inequalities through targeted, region-specific interventions. Strengthening healthcare access, implementing strategic youth employment policies, and enhancing migration governance are essential for fostering inclusive and equitable societies in a post-pandemic world. The study advances the discourse on demographic inequality by bridging theoretical and empirical gaps, offering a comparative regional perspective, and formulating actionable policy recommendations for sustainable socio-economic development.