Aci Worldwide (ACIW) Tax Rate (2009 - 2026)

Aci Worldwide's Tax Rate history runs 18 years deep, the most recent figure standing at 24.03% for Q1 2026.

• On a quarterly basis, Tax Rate rose 621.0% year-over-year to 24.03% in Q1 2026; TTM through Mar 2026 was 27.8%, a 966.0% increase from a year earlier, with the FY2025 full-year figure at 26.09%, up 721.0% from the prior year.
• Tax Rate retreated to 24.03% in Q1 2026 per ACIW's latest filing, from 35.04% in the prior quarter.
• Across five years, Tax Rate topped out at 35.04% in Q4 2025 and bottomed at 3.82% in Q1 2024.
• The 5-year median for Tax Rate is 24.1% (2024), against an average of 23.62%.
• Across the five-year window, Tax Rate plunged 3903 bps in 2022 and surged 2443 bps in 2025, its largest moves.
• Year by year, Tax Rate stood at 32.18% in 2022, then sank by 36 bps to 20.44% in 2023, then tumbled by 48 bps to 10.61% in 2024, then soared by 230 bps to 35.04% in 2025, then slumped by 31 bps to 24.03% in 2026.
• Per Business Quant, the three latest ACIW Tax Rate figures stand at 24.03% (Q1 2026), 35.04% (Q4 2025), and 22.75% (Q3 2025).