Cite as: 538 U. S. 408 (2003)
Opinion of the Court
award"); TXO, supra, at 458. We decline again to impose a bright-line ratio which a punitive damages award cannot exceed. Our jurisprudence and the principles it has now established demonstrate, however, that, in practice, few awards exceeding a single-digit ratio between punitive and compensatory damages, to a significant degree, will satisfy due process. In Haslip, in upholding a punitive damages award, we concluded that an award of more than four times the amount of compensatory damages might be close to the line of constitutional impropriety. 499 U. S., at 23-24. We cited that 4-to-1 ratio again in Gore. 517 U. S., at 581. The Court further referenced a long legislative history, dating back over 700 years and going forward to today, providing for sanctions of double, treble, or quadruple damages to deter and punish. Id., at 581, and n. 33. While these ratios are not binding, they are instructive. They demonstrate what should be obvious: Single-digit multipliers are more likely to comport with due process, while still achieving the State's goals of deterrence and retribution, than awards with ratios in range of 500 to 1, id., at 582, or, in this case, of 145 to 1.
Nonetheless, because there are no rigid benchmarks that a punitive damages award may not surpass, ratios greater than those we have previously upheld may comport with due process where "a particularly egregious act has resulted in only a small amount of economic damages." Ibid.; see also ibid. (positing that a higher ratio might be necessary where "the injury is hard to detect or the monetary value of non-economic harm might have been difficult to determine"). The converse is also true, however. When compensatory damages are substantial, then a lesser ratio, perhaps only equal to compensatory damages, can reach the outermost limit of the due process guarantee. The precise award in any case, of course, must be based upon the facts and circumstances of the defendant's conduct and the harm to the plaintiff.
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