SLM Corporation's GAAP net income for 2021 was $1.161 billion, up 31.8% from $0.881 billion in the prior year. Net interest income declined 5.7% to $1.395 billion from $1.48 billion a year earlier.
SLM Corporation's GAAP net income for 2021 was $1.161 billion, up 31.8% from $0.881 billion in the prior year. Net interest income declined 5.7% to $1.395 billion from $1.48 billion a year earlier. 
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