Portuguese language in Africa more recent migrations of refugees (some of whom speak Portuguese) to neighbouring countries such as Democratic Republic of Congo, Namibia, Zambia and South Africa. Other migrations involved returning Afro-Brazilian ex-slaves to places such as Nigeria, Benin, Togo, Angola and Mozambique. There are also some returning white Portuguese African refugees and their descendants from Brazil, Portugal, and South Africa to their former African controlled territories, mostly to Angola (up to 500,000) and Mozambique (350,000), and most importantly, there is the arrival of Portuguese post-colonial expatriates in Angola in the recent years, because of Portugal's economic interests and the Angolan economic boom.
West Africa Commission on Drugs particularly Tramadol has become a major health crisis in the region. The commission proposed a detailed Model Drug Law which would end all criminal penalties relating to personal drug use and possession. This would allow law enforcement efforts to focus on unauthorised drug production and trafficking offences. It is suggested that Ghana may become the first Sub-Saharan country to decriminalise personal drug use and possession. West Africa Commission on Drugs The West Africa Commission on Drugs was launched by the Kofi Annan Foundation in 2014. Olusegun Obasanjo chaired the commission. Obasanjo urged strengthening law enforcement and refocussing efforts on "high-level