A/HRC/7/10/Add.4 page 6 secularism and equality of treatment which involve a clear separation between the state and religious institutions. All religious institutions are to be treated equally (article 3). The law also provides that freedom of conscience includes the right to have a religion or none and to change religion (article 4). The law recognizes the principle of nondiscrimination because of religious belief in employment (article 5). It provides that the exercise of religion is lawful and that there is no requirement for official authorization except when practicing a religion in places of worship which could disturb the public order and social peace (article 6 (2)). According to the law, the Government Ministries in charge of the question of religion are the Ministries of Culture and Justice. 12. Colonial-era legislation bans all non-Christian religious groups from Angola. Whilst this legislation has not been repealed, it is no longer enforced. However, in March 2004, the Minister of Justice warned that these laws could still be enforced against any radical groups advocating terrorism or public disturbances. III. INTERNATIONAL LEGAL FRAMEWORK 13. Angola is a State Party to the International Covenant on Civil and Political Rights and its Protocols, the International Covenant on Economic, Social and Cultural Rights, the Convention on the Elimination of All Forms of Discrimination against Women, the Convention on the Rights of the Child, and the Optional Protocol to the Convention on the Rights of the Child on the sale of children child prostitution and child pornography. It has not ratified the Convention on the Elimination of all forms of Racial Discrimination, the Convention on the Protection of the Rights of all Migrant Workers and Members of their families or the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment. 14. The Special Rapporteur is guided by other relevant declarations, resolutions and guidelines produced by various United Nations bodies, including by the General Assembly, the Human Rights Committee, the former Commission on Human Rights and the Human Rights Council. The most important of these instruments for the mandate are the Universal Declaration of Human Rights (UDHR; articles 2, 18 and 26) as well as the 1981 Declaration on the Elimination of All Forms of Intolerance and of Discrimination Based on Religion or Belief (1981 Declaration). IV. RESPECT FOR FREEDOM OF RELIGION OR BELIEF IN ANGOLA A. Religious demography 15. Precise figures for membership of the different religious faiths are not available due to the fact that the last census was held in 1970 and also the volatility of the population movements. The current population has been estimated as 15.5 million. Christianity is the religion of the vast majority of the population, with Roman Catholicism as the largest single denomination with approximately 55 per cent of the population. The major Protestant denominations are also present, along with a number of Brazilian and indigenous African Christian denominations. The largest Protestant denominations, which include Methodists, Baptists, Evangelicals, Anglicans and