A/RES/71/177 Rights of the child 44. Also reaffirms that States, in accordance with their obligations under international law, are responsible for promoting and pr otecting the human rights and fundamental freedoms of all migrants, regardless of their migration status, including accompanied and unaccompanied children, including adolescents, within their territorial jurisdiction, and encourages States to promote natio nal child and adolescent protection systems, in consultation with all sectors of society, including migrant communities, civil society organizations and other relevant actors; 45. Recognizes that international migration is a multidimensional reality of major relevance for the development of countries of origin, transit and destination, which requires coherent and comprehensive responses integrating development with due regard for social, economic and environmental dimensions and respecting human rights, and that migrants can make positive and profound contributions to economic and social development in their host societies and to global wealth creation; 46. Expresses deep concern regarding the large and growing number of migrant children, particularly those unaccompanied or separated from their parents or primary caregivers, who may be particularly vulnerable along their journey, and reaffirms the obligation of States to respect and protect the human rights and fundamental freedoms of those migrant children, regardless of their migration status, in accordance with the obligations of States under international law, including international human rights law; 47. Recognizes that the migration of accompanied and unaccompanied children may be the result of diverse causes and factors, such as poverty, lack of social and economic opportunities in their communities of origin, the death of one or both parents, the search for family reunification, all forms of violence and lack of personal safety and/or the adverse effects of climate change, natural disasters or environmental factors; 48. Takes note of the report of the Secretary-General entitled “In safety and dignity: addressing large movements of refugees and migrants”, 43 including the recognition that respect for the human rights of all those who leave their countries, regardless of their migration status, is a fundamental tenet; 49. Emphasizes the importance of protecting persons in vulnerable situations, in particular migrant children, and in this regard: (a) Expresses concern about legislation adopted by some States that results in measures and practices that may restrict the human rights and fundamental freedoms of migrants, and reaffirms that, when exercising their sovereign right to enact and implement migratory and border security measures, States have the duty to comply with their obligations under international law, including international human rights law, in order to ensure full respect for the rights of migrants; (b) Reaffirms that any type of return of migrant children, whether voluntary or otherwise, must be consistent with obligations under international human rights law and in compliance with the principle of non-refoulement; (c) Reaffirms the commitment to combating racism, racial discrimina tion, xenophobia and related intolerance and discrimination against all migrants, including migrant children, and the stereotypes often applied to them, calls upon _______________ 43 12/19 A/70/59.