Allegion's GAAP net income for 2021 was $483.3 million, up 53.7% from $314.5 million in the previous year. Revenue increased 5.4% to $2.867 billion from $2.72 billion a year earlier.
Allegion's GAAP net income for 2021 was $483.3 million, up 53.7% from $314.5 million in the previous year. Revenue increased 5.4% to $2.867 billion from $2.72 billion a year earlier. 
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