In April 1994, the Super Eagles was ranked 5th in the FIFA rankings, the highest FIFA ranking position ever achieved by an African football team. Throughout history, the team has qualified for six of the last seven FIFA World Cups (as of 2018), missing only the 2006 World Cup hosted in Germany, and have reached the round of 16 three times. Their first World Cup appearance was the 1994 edition hosted by the United States.

Can we conclude that did nigeria qualify for the 2018 world cup?
yes