Adult education comes with its own rich vocabulary – and if you’ve ever felt confused by terms like andragogy, lifelong learning, or recurrent education, you’re not alone. These aren’t just academic labels. Each term reflects a distinct philosophy about how, when, and where adults learn. Understanding them gives you a clearer picture of the entire landscape of adult learning – from structured classroom programmes to the quiet lessons absorbed through daily life. Let’s break them down, one by one.
Table of Contents
- Fundamental education: the starting point
- Formal, non-formal, and informal education
- Formal education
- Non-formal education
- Informal education
- De-schooling: a radical critique
- Lifelong education: learning from cradle to grave
- Recurrent education: a structured alternative
- Further education and continuing education
- Further education
- Continuing education
- Andragogy: the art and science of teaching adults
- Andragogy vs. pedagogy: why the distinction matters
- Lifelong learning as a unifying framework
Fundamental education: the starting point
Fundamental education refers to the baseline level of learning that every individual needs to function effectively in society. It encompasses basic literacy, numeracy, and the practical knowledge required to participate in civic, economic, and social life. It is not confined to children – for millions of adults globally who missed out on schooling, fundamental education provides the essential foundation that makes all further learning possible. UNESCO defines adult education as education targeting adults to improve their technical or professional qualifications, develop their abilities, and enrich their knowledge – which necessarily begins with ensuring this foundational layer is in place.
Formal, non-formal, and informal education
One of the most widely used frameworks in education studies is the three-way distinction between formal, non-formal, and informal education. This classification was first formally established in 1973 by Philip H. Coombs, Prosser, and Ahmed, and it remains the standard reference in educational planning today.
Formal education
Formal education is the structured, institutionally based system most people are familiar with – the pathway running from primary school through to university. It is hierarchically organised, chronologically graded, usually government-controlled, and tends to be compulsory up to a certain age. Completion of formal education results in recognised qualifications and credentials. For adults, formal education includes degree programmes, diplomas, and accredited professional certifications offered through universities and training institutions.
Non-formal education
Non-formal education sits between formal schooling and the spontaneous learning of everyday life. According to UNESCO, it is intentional and institutionalised but functions as an addition, alternative, or complement to formal education. It typically takes the form of short courses, workshops, seminars, and community-based programmes. Crucially, it does not always lead to formally recognised qualifications. Examples include adult literacy classes, vocational training workshops, and programmes run by NGOs or community groups. Non-formal education is popular globally for its flexibility – it is open to learners of any age, adjusts to their needs, and is not constrained by rigid syllabi or age-graded progression.
Informal education
Informal education is the learning that happens naturally as part of daily life – through work, family interactions, social relationships, and leisure. It is largely unstructured, does not follow set learning objectives, and rarely leads to any certification. As Coombs and Ahmed described it, informal education covers everything left outside formal institutions and organised community groups – the interactions with friends, family, and work colleagues that shape what we know and how we think. Interestingly, research suggests that up to 90% of adult learning happens outside classrooms, through these informal channels of work, social interaction, and self-study.
De-schooling: a radical critique
In 1971, Austrian philosopher and social critic Ivan Illich published his landmark work Deschooling Society, launching one of education’s most provocative ideas. Illich believed that schools contain a “hidden curriculum” that aligns learning with grades and credentials rather than with genuinely useful skills. He argued that institutionalised schooling creates a monopoly over learning – conditioning people to equate a diploma with competence and grade advancement with actual education.
Illich’s concept of de-schooling did not mean abolishing all learning. Rather, it proposed dismantling this monopoly and replacing it with open “learning webs” – decentralised networks where individuals could access knowledge, share skills, and find peers, freed from the authority of institutions. He envisioned a good educational system as one that gives all who want to learn access to resources at any point in their lives, not just during prescribed years of schooling. While Illich’s full vision was never implemented at scale, his critique deeply influenced non-formal education movements and continues to resonate in debates about self-directed and technology-enabled learning.
Lifelong education: learning from cradle to grave
Lifelong education (also called lifelong learning) is the overarching principle that learning should not be confined to a fixed period in childhood or early adulthood – it is a continuous, voluntary process that spans an individual’s entire life. The concept gained major policy momentum with UNESCO’s 1972 Faure Report, Learning to Be, which described lifelong learning as the “master concept” that should shape all educational systems.
Lifelong learning is broader than any single programme or institution. It encompasses formal degrees, non-formal training, and informal daily learning alike. As the OECD has articulated, lifelong learning integrates education fully into a person’s life cycle – rather than treating it as something completed before entering the workforce. It serves personal growth, civic participation, and economic adaptability, and it is at the heart of modern adult education policy worldwide.
Recurrent education: a structured alternative
Recurrent education is a more specific and structured approach to distributing learning across a lifetime. The OECD defines it as a strategy to distribute education over the total lifespan of an individual in a recurring way, alternating with work and other activities. Rather than front-loading all education into the early years of life, recurrent education envisions a rhythm where adults periodically return to formal study – interrupted by, and informed by, their experiences in work and life.
The concept was first formally introduced in 1968 by Olof Palme, then Sweden’s Minister of Education, and was subsequently developed through a series of OECD reports in the 1970s. It was presented as a comprehensive alternative strategy – not merely a piecemeal response to individual needs, but a wholesale reimagining of the relationship between education, work, and leisure across the life course. Recurrent education was intended to liberate individuals from the rigid education-work-retirement sequence, giving them freedom to mix and alternate these phases within what is socially possible.
Further education and continuing education
Further education and continuing education are closely related terms, and the two are often used interchangeably – though they carry slightly different emphases.
Further education
Further education typically refers to any learning that takes place after the completion of compulsory schooling, but below the level of higher education (university degrees). In many countries, further education institutions – such as technical colleges, polytechnics, and community colleges – offer vocational qualifications, skills training, and bridging programmes that prepare adult learners for the workplace or for progression to higher study. It is primarily concerned with broadening and deepening practical competencies.
Continuing education
Continuing education refers to the ongoing, often voluntary pursuit of learning by adults who are already in the workforce or beyond the traditional years of initial education. UNESCO explicitly recognises continuing education as a key component of adult education, aimed at refreshing or updating knowledge, acquiring competencies in a new field, or completing a level of formal education. Unlike recurrent education – which envisions a comprehensive, systematic alternation between study and work – continuing education tends to be more responsive and incremental, addressing specific gaps as they arise. Professional development courses, evening classes, online certifications, and workplace training programmes are all common forms of continuing education.
Andragogy: the art and science of teaching adults
No discussion of adult education vocabulary is complete without andragogy. The term was developed by Alexander Kapp, a German teacher, and was later linked to the work of Malcolm Knowles, who argued that adults are differently experienced, motivated, and oriented to learning than children. The contrasting term – pedagogy – comes from the Greek for “leading children,” while andragogy means “leading adults.”
Knowles identified six core assumptions that distinguish adult learners. Adults have a need to know the reason for learning something; they are self-directed; they draw on a rich foundation of prior experience; they are ready to learn when it is relevant to their life; they are problem-centred in their orientation; and they respond more powerfully to internal motivation than external pressure.
In practice, andragogy calls for a shift in the educator’s role – from authority figure to facilitator. Educators are encouraged to use experiential learning, collaborative discussion, and flexible models that fit into the busy lives of adult learners, rather than delivering content in a one-way, teacher-centred manner. This framework has shaped adult education programmes in higher education, corporate training, healthcare, and community learning around the world.
Andragogy vs. pedagogy: why the distinction matters
The difference between andragogy and pedagogy is not simply a matter of age. It is a difference in the underlying assumptions about the learner. While children often rely on a teacher to direct their learning and have limited prior experience to draw on, adult learners bring personal and professional experiences that form a vital backdrop for new learning – and they need to see the direct relevance of what they are studying to engage meaningfully with it. Ignoring this distinction leads to adult education that is ineffective, demotivating, and disconnected from learners’ real needs.
Lifelong learning as a unifying framework
What ties all these terms together is the vision of lifelong learning – the idea that education is not something that ends at graduation. Whether through formal degree programmes, non-formal community workshops, informal conversations, recurrent returns to study, continuing professional development, or the self-directed principles of andragogy, learning is a thread woven through every stage of adult life. Andragogy itself promotes a commitment to lifelong learning, equipping individuals to continuously develop skills and knowledge relevant to their personal and professional lives in a world that never stops changing.
Understanding these terms is not just an academic exercise. For teachers, trainers, policymakers, and learners themselves, this vocabulary provides a shared language for designing education systems that are more inclusive, flexible, and genuinely responsive to the diverse needs of adults at every stage of life.
What do you think? Given that informal learning accounts for the vast majority of what adults actually know, should education policy invest more deliberately in non-formal and informal pathways – or does formal credentialing remain essential for ensuring quality and equity? And how might the principles of andragogy change the way you design or participate in learning experiences for adults?
References
- https://uis.unesco.org/en/glossary-term/adult-education
- https://www.coletividad.org/formal-non-formal-informal-and-incidental-education/
- https://en.wikipedia.org/wiki/Education
- https://uis.unesco.org/en/glossary-term/non-formal-education
- https://en.wikipedia.org/wiki/Nonformal_learning
- https://infed.org/dir/welcome/informal-non-formal-and-formal-education-a-brief-overview-of-some-different-approaches/
- https://elearningindustry.com/the-adult-learning-theory-andragogy-of-malcolm-knowles
- https://en.wikipedia.org/wiki/Deschooling
- https://en.wikipedia.org/wiki/Deschooling_Society
- https://www.oecd.org/content/dam/oecd/en/publications/reports/2003/02/beyond-rhetoric_g1gh3168/9789264199446-en.pdf
- https://eric.ed.gov/?id=ED138522
- https://www.sciencedirect.com/topics/social-sciences/recurrent-education
- https://eric.ed.gov/?id=ED138524
- https://pmc.ncbi.nlm.nih.gov/articles/PMC6458658/
- https://www.phoenix.edu/blog/adult-learning-theory-the-principles-of-andragogy.html
- https://enlightentraining.org/andragogy/
- https://www.wgu.edu/blog/adult-learning-theories-principles2004.html
- https://research.com/education/the-andragogy-approach
Leave a Reply