Literacy, in its broadest sense, refers to the ability to read, write, and comprehend information, but in contemporary understanding, it extends beyond mere decoding of text to include critical thinking, digital literacy, numeracy, and the capacity to engage meaningfully in society. Adult education plays a crucial role in shaping literacy, as it targets populations that may have missed formal schooling or require skills to adapt to evolving socio-economic contexts. Literacy is not just an individual skill but a social resource that empowers people to access knowledge, exercise their rights, participate in civic life, and improve their quality of life. Globally, literacy is a cornerstone for development, social equity, and economic growth. The importance of literacy at the global level is multi-dimensional. Economically, literate populations are better equipped to engage in the workforce, adopt technological innovations, and enhance productivity. Adult literacy initiatives, therefore, contribute directly to poverty alleviation and the reduction of economic disparities within and across nations. Literate adults are also more capable of managing personal finances, understanding contracts, and participating in economic decision-making, which collectively strengthens national economies and fosters sustainable development. Socially and culturally, literacy empowers individuals to participate fully in