International migration is the movement of people across international borders for the purpose
of settlement. Nigeria, Africa's most populous nation has witnessed significant international
migration in recent decades driven by various factors, such as economic opportunity, social
and political factors, environmental and climate factors but to mention a view. The objective
of the study is to examine the leading causes, consequences and implications of Nigerians
migrating abroad. Mixed-methods approach was employed for the study which include
secondary data analysis, in-person and online interviews and survey research. A structured
questionnaire was the instrument used for data collection. Through the purposive sampling
technique, the opinion of fifty (50) respondents were obtained on the causes and effects of
international migration out of Nigeria. The Statistical Package for Social Sciences (SPSS) was
utilized for the data analysis. From the research it was revealed among others that the push
and pull factors are the principal causes of international migration out of Nigeria. Part of
recommendations given was that government should manage international migration for
development and also make labour migration an explicit part of their development strategy.