In the industrialized countries of the early twentieth century, there were no standards of protection for children. there was nothing like child rights. It was common for them to work alongside adults in unsanitary and unsafe conditions.
Growing recognition of the injustices of their situation, propelled by a greater understanding of the developmental needs of children, led to a movement to better protect them.
International standards on child rights have advanced dramatically over the past century, but gaps remain in meeting those ideals.
Timeline of child rights development
1924
The League of Nations adopted the Geneva Declaration on the Rights of the Child, drafted by Eglantyne Jebb, founder of the Save the Children Fund. The Declaration articulates that all people owe children the right to means for their development; exceptional help in times of need; priority for relief; economic freedom and protection from exploitation; and an upbringing that instills social consciousness and duty.
1946
The United Nations General Assembly established the International Children’s Emergency Fund, UNICEF, with an emphasis on children worldwide.
1948
The United Nations General Assembly passed the Universal Declaration of Human Rights, in which Article 25 entitles mothers and children to ‘special care and assistance’ and ‘social protection.’
1959
The United Nations General Assembly adopts the Declaration of the Rights of the Child, which recognizes, among other rights, children’s rights to education, play, a supportive environment, and health care.
1966
With the International Covenants on Civil and Political Rights and Economic, Social and Cultural Rights, United Nations Member States promise to uphold equal rights – including education and protection – for all children.
1968
The International Conference on Human Rights is convened to evaluate the progress made by countries in the 20 years since the adoption of the Universal Declaration of Human Rights. An agenda for future work is drafted, and national commitments to upholding human rights are bolstered.

1973
The International Labour Organization adopts Convention 138, which sets 18 as the minimum age for undertaking work that might be hazardous to a person’s health, safety, or morals.
1974
Concerned about the vulnerability of women and children in emergency and conflict situations, the General Assembly calls on the Member States to observe the Declaration on the Protection of Women and Children in Emergency and Armed Conflict. The Declaration prohibits attacks against or imprisonment of civilian women and children and upholds the sanctity of the rights of women and children during armed conflict.
1978
The Commission on Human Rights puts forth a draft of a Convention on the Rights of the Child for consideration by a working group of the Member States, agencies, and intergovernmental and non-governmental organizations.
1979
To mark the twentieth anniversary of the 1959 Declaration of the Rights of the Child, the United Nations General Assembly declares 1979 as the International Year of the Child, in which UNICEF plays a leading role.
1985
The United Nations Standard Minimum Rules for the Administration of Juvenile Justice detail the principles of a justice system that promotes the child’s best interests, including education and social services and proportional treatment for child detainees.
1989
The Convention on the Rights of the Child was adopted by the United Nations General Assembly and widely acclaimed as a landmark achievement for human rights, recognizing children’s roles as social, economic, political, civil, and cultural actors. The Convention guarantees and sets minimum standards for protecting children’s rights in all capacities. UNICEF, which helped draft the Convention, is named in the document as a source of expertise.
1990
The World Summit for Children is held in New York. The Guidelines for the Prevention of Juvenile Delinquency outline strategies for preventing criminality and protecting young people at high social risk.
1991
Experts from UNICEF, Save the Children, Defence for Children International, and other organizations meet to discuss data gathered from the reporting process of the Convention on the Rights of the Child. The meeting led to the formal establishment of the Child Rights International Network (CRIN) in 1995.
1999
The International Labour Organization (ILO) adopts the Worst Forms of Child Labour Convention, calling for the immediate prohibition and elimination of any work that is likely to harm children’s health, safety, or morals. UNICEF has been working with the ILO since 1996 to promote ratifying international labour standards and policies concerning child labour.
2000
The United Nations General Assembly adopts two Optional Protocols to the 1989 Convention on the Rights of the Child, obligating State Parties to take critical actions to prevent children from partaking in hostilities during armed conflict and to end the sale, sexual exploitation, and abuse of children.
2002
At the United Nations Special Session on Children, child delegates address the General Assembly for the first time. The World Fit for Children plan was adopted, outlining specific goals for improving the prospects of children over the next decade.
2006
UNICEF co-publishes the Manual for measuring Juvenile Justice Indicators with the United Nations Office on Drugs and Crime. The Manual enables governments to assess the condition of their juvenile justice systems and make reforms as necessary.
2010
The United Nations Secretary-General issues the Status of the Convention on the Rights of the Child.
2011
A new Optional Protocol to the 1989 Convention on the Rights of the Child is adopted. Under this Optional Protocol on a communications procedure, the Committee on the Rights of the Child can field complaints of child rights violations and undertake investigations.
2015
In 2015, Somalia and South Sudan ratify the Convention. The Convention is the most widely ratified international instrument with 196 States. Only the United States has not ratified to date.
UNICEF