The Convention on the Rights of the Child is the most comprehensive international treaty on children's rights. It sets out a wide range of rights for children, including the right to life, the right to education, and the right to protection from violence and abuse.

The minimum age at which a child can be employed is 15 years old, according to the Convention on the Rights of the Child. However, some countries have set a higher minimum age for certain types of work.

Children have the right to be heard in legal proceedings, which includes the right to be present at all hearings, the right to express their views on matters affecting them, and the right to have a lawyer represent them.

The principle of non-discrimination in the context of children's rights means that all children are equal and should be treated equally, regardless of their race, gender, religion, or disability. Children should also have equal access to education, healthcare, and other essential services.

The Committee on the Rights of the Child has a number of roles in monitoring the implementation of the Convention on the Rights of the Child, including reviewing reports submitted by states parties to the Convention, conducting inquiries into alleged violations of the Convention, and making recommendations to states parties on how to improve their implementation of the Convention.

Birth registration is important for children because it establishes their identity and nationality, allows them to access essential services, such as education and healthcare, and protects them from trafficking and exploitation.

Children have the right to freedom of expression, which includes the right to express their views on matters affecting them, the right to seek, receive, and impart information and ideas of all kinds, and the right to freedom of association and assembly.

Children have the right to privacy, which includes the right to be free from arbitrary or unlawful interference with their privacy, the right to control the use and disclosure of their personal information, and the right to be protected from unlawful attacks on their reputation.

Children have the right to a fair trial, which includes the right to be presumed innocent until proven guilty, the right to be informed of the charges against them, and the right to have a lawyer represent them.

Children have the right to protection from violence and abuse, which includes the right to be free from all forms of violence, including physical, sexual, and emotional abuse, the right to be protected from neglect and exploitation, and the right to live in a safe and supportive environment.

Children have the right to education, which includes the right to free and compulsory primary education, the right to access secondary and higher education, and the right to education that is relevant, quality, and inclusive.

Children have the right to healthcare, which includes the right to access essential healthcare services, the right to be immunized against preventable diseases, and the right to receive appropriate nutrition and clean water.

Children have the right to a safe and healthy environment, which includes the right to live in an environment that is free from pollution and other hazards, the right to access safe and clean water and sanitation, and the right to participate in decisions that affect their environment.

Children have the right to rest and leisure, which includes the right to have adequate time for play and recreation, the right to participate in cultural and artistic activities, and the right to have sufficient rest and sleep.

Children have the right to social security, which includes the right to receive financial assistance from the state, the right to access social services, such as childcare and healthcare, and the right to be protected from poverty and social exclusion.