According to the National Bureau of Statistics, the 36 states of the federation, including the Federal Capital Territory (FCT), generated N5.10 trillion in Internally Generated Revenue (IGR) between 2019 and 2021. (NBS).
In 2019, N1.64 trillion in domestic revenue was raised, with tax income making up 64.65 percent of the total; in 2020, tax revenue increased to 66.16 percent of the N1.56 trillion in revenue.
Furthermore, the amount collected by states increased by 21.54 percent in 2021, reaching N1.90 trillion.
According to the state-level IGR for 2019–2021, which was retrieved from the NBS website, Lagos State led the IGR chart over the three-year period, accounting for N2.06 trillion in total income with N1.08 trillion in tax revenues.
Rivers came in second, producing N410.14 billion for the time period, of which N342.38 billion represented tax income.
In particular, Lagos made N646.61 billion, N659.99 billion, and N753.46 billion in 2019, 2020, and 2021, respectively, whereas Rivers made N169.60 billion, N117.19 billion, and N123.35 billion at the same time.
Kwara, Kogi, and Kebbi generated N77.21 billion, N58.04 billion, and N30.98 billion respectively in the period under review.
Also, Kano, Katsina, and Kaduna collected N112.8 billion, N31.9 billion, and N148.56 billion respectively.
The FCT, Zamfara, and Yobe recorded N298.53 billion, N52.88 billion, and N23.76 billion respectively.
In the same vein, Taraba, Sokoto, and Plateau generated N24.26 billion, N54.55 billion, and N57.02 billion, respectively.
Oyo State IGR for the three-year period was N116.7 billion, Osun N59.22 billion, Ondo N85.8 billion, and Ogun N232.71 billion.
Others were Niger N40.34 billion, Nasarawa N51.27 billion, Jigawa N50.06 billion, Imo N26.59 billion, Gombe N26.02 billion, and Enugu N81.49 billion.
Others include Abia N50.98 billion, Adamawa N31.03 billion, Akwa-Ibom N97.58 billion, Anambra N85.27 billion, Bayelsa N41.54 billion, Benue N40.23 billion, Borno N38.71 billion, Cross River N61.85 billion, Bauchi N43.22 billion and Delta N204.6 billion.
Ebonyi generated N39.46 billion, Edo N105.65 billion, Ekiti N39.54 billion, and Yobe N23.76 billion.
The NBS explained that the data is computed alongside the Joint Tax Board (JTB) from official records and submissions by the State Boards of Internal Revenue