The concept of 'three generations of human rights' is a framework proposed by Karel Vasak in 1979, categorizing human rights into distinct groups based on their historical emergence, philosophical underpinnings, and the types of rights they encompass. This framework helps to understand the evolution and expansion of human rights discourse beyond purely civil and political liberties.

1. First Generation Human Rights (Civil and Political Rights): These rights are often referred to as 'negative rights' because they primarily require the state to refrain from interfering with individual liberties. They emerged from the Enlightenment era and the liberal revolutions of the 17th and 18th centuries (e.g., American and French Revolutions), emphasizing individual freedom and protection from state oppression. They are enshrined in documents like the Universal Declaration of Human Rights (UDHR) and the International Covenant on Civil and Political Rights (ICCPR).

• Examples: Right to life, liberty, and security of person; freedom from torture and slavery; freedom of speech, assembly, and religion; right to a fair trial; right to vote and participate in government.
• Focus: Individual autonomy, protection from state abuse, political participation.

2. Second Generation Human Rights (Economic, Social, and Cultural Rights): These rights are often called 'positive rights' because they require the state to actively provide or ensure access to certain conditions and resources for its citizens. They emerged in the 19th and 20th centuries, driven by socialist movements and concerns about social justice, economic inequality, and the welfare state. They are enshrined in the UDHR and the International Covenant on Economic, Social and Cultural Rights (ICESCR).

• Examples: Right to work, to fair wages, and to form trade unions; right to an adequate standard of living (including food, clothing, and housing); right to social security; right to education; right to health; right to participate in cultural life.
• Focus: Social welfare, economic security, equality, and human dignity.

3. Third Generation Human Rights (Solidarity Rights/Collective Rights): These rights are the most recent and are often referred to as 'solidarity rights' or 'collective rights.' They emerged in the late 20th century, reflecting global challenges and the interconnectedness of humanity. They emphasize collective action and international cooperation, often pertaining to groups or peoples rather than solely individuals. They are less universally codified in binding treaties but are increasingly recognized in international declarations and soft law.

• Examples: Right to self-determination; right to peace; right to a healthy environment; right to development; right to humanitarian assistance; right to communicate.
• Focus: Global justice, environmental protection, intergenerational equity, collective well-being, and international cooperation.

While this generational framework is useful for understanding the historical development and conceptual categories of human rights, it's important to note that these generations are not mutually exclusive. They are interdependent and indivisible, meaning that the realization of one often depends on the realization of others. For instance, the right to vote (1st gen) is less meaningful without the right to education (2nd gen), and both are impacted by the right to a healthy environment (3rd gen).