Firs generate revenue n4 9 trillion 2016

According to the National Bureau of Statistics (NBS), Nigeria's Gross Domestic Product (GDP) in 2016 was N44.27 trillion.

Here's the breakdown:

• Nominal GDP: N44.27 trillion (approximately $123 billion USD at the 2016 exchange rate)
• Real GDP: N34.32 trillion (approximately $95 billion USD at the 2016 exchange rate, adjusted for inflation)

Note that these figures are based on the NBS's 2016 GDP estimates, which were released in 2017.