Working abroad is therefore often seen as the best strategy for escaping poverty.
Ensuring a better future for one's family in Nigeria is a principal motivation for emigration within and outside the trafficking networks.
Speaking ahead of a meeting in Brussels, NATO Secretary General Jens Stoltenberg said it is vital that European roads and rail networks are able to carry tanks and heavy military equipment.
This is the first time NATO is updating its command structure since the Cold War, and is thought to be a response to Russia's recent 'War Games' in Belarus.
Nigeria has signed and ratified the United Nations Protocol to Prevent, Suppress and Punish Trafficking in Persons, Especially Women and Children, often referred to as the Palermo Protocol.