The issue of blocked social mobility during the French Revolution played a significant role in the unrest that engulfed France. The rigid social structure of the Ancien Régime (the political and social system in place before the Revolution) comprised distinct estates: the clergy (First Estate), the nobility (Second Estate), and the commoners (Third Estate). This hierarchy was legally enshrined and determined one’s rights, duties, and social standing. Social mobility, or the ability to move between different social strata, was extremely limited for the Third Estate, despite its diversity (ranging from wealthy bourgeoisie to impoverished peasants). Members of the Third Estate were burdened with paying the majority of taxes, including the taille (land tax), the gabelle (salt tax), and the corvée (forced labor). In contrast, the clergy and nobility enjoyed various privileges and exemptions from these taxes, thus exacerbating economic disparities. The wealthier commoners, such as merchants and professionals, were often frustrated by their inability to gain titles or governmental positions, which remained largely exclusive to the nobility. This economic and social exclusion generated significant discontent, contributing to revolutionary sentiments. Education and professional advancement were also hindered by these social boundaries. For example, access to influential educational institutions was often restricted to those with noble lineage. Even within the bourgeoisie (a segment of the Third Estate comprising merchants, industrialists, and professionals), career advancement often stalled due to the inability to obtain noble status. Marriages and social networks were also tightly controlled, with noble families typically arranging unions to maintain or enhance their status, leaving little room for commoners to integrate into higher social tiers. Artisans, laborers, and peasants faced even more pronounced obstacles. Agricultural workers (who made up a substantial portion of the Third Estate) had little opportunity to escape their plight due to seigneurial obligations, such as feudal dues and restrictions on land use. Urban workers and journeymen craftsmen often toiled under guild systems that limited competition and maintained a rigid hierarchy within trades. Economic hardships and frequent food shortages further compounded their grievances, contributing to widespread unrest. The Enlightenment ideas of individual merit and equal opportunity gained traction among disillusioned members of the Third Estate. Philosophers such as Jean-Jacques Rousseau and Voltaire criticized the social immobility of the time, advocating for a society where talent and effort, rather than birth, determined one’s social position. These concepts inspired revolutionary leaders and formed part of the ideological foundation for the radical restructuring of French society post-1789. Events like the convening of the Estates-General on 5 May 1789, followed by the formation of the National Assembly and the subsequent fall of the Bastille on 14 July 1789, marked the beginning of an effort to dismantle the institutional barriers to social mobility. The Revolution sought to abolish feudal privileges, establish equality before the law, and create a merit-based society. However, the process was complex and contentious, marked by internal conflicts and external wars, which complicated the realization of these ideals. In conclusion, blocked social mobility under the Ancien Régime was a fundamental grievance that fueled the French Revolution. The Revolution’s various phases tackled the issue with varying degrees of success and highlighted the profound yearning for a society where social and economic advancement was attainable based on merit and equal opportunity.