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In weighing needs and burdens, we must take account of the possibility that there are reasonable, but less restrictive alternatives. Are there other potential measures that might similarly promote the same goals while imposing lesser restrictions? See Nixon, 528 U. S., at 402 (BREYER, J., concurring) ("existence of a clearly superior, less restrictive alternative" can be a factor in determining whether a law is constitutionally proportionate). Here I see none.

The reason there is no clearly superior, less restrictive alternative to the District's handgun ban is that the ban's very objective is to reduce significantly the number of handguns in the District, say, for example, by allowing a law enforcement officer immediately to assume that any handgun he sees is an illegal handgun. And there is no plausible way to achieve that objective other than to ban the guns.

It does not help respondent's case to describe the District's objective more generally as an "effort to diminish the dangers associated with guns." That is because the very attributes that make handguns particularly useful for self-defense are also what make them particularly dangerous. That they are easy to hold and control means that they are easier for children to use. See Brief for American Academy of Pediatrics et al. as Amici Curiae 19 ("[C]hildren as young as three are able to pull the trigger of most handguns"). That they are maneuverable and permit a free hand likely contributes to the fact that they are by far the firearm of choice for crimes such as rape and robbery. See Weapon Use and Violent Crime 2 (Table 2).

That they are small and light makes them easy to steal, see supra, at 19, and concealable, cf. ante, at 54 (opinion of the Court) (suggesting that concealed-weapon bans are constitutional).

This symmetry suggests that any measure less restrictive in respect to the use of handguns for self-defense will, to that same extent, prove less effective in preventing the use of handguns for illicit purposes. If a resident has a handgun in the home that he can use for self-defense, then he has a handgun in the home that he can use to commit suicide or engage in acts of domestic violence. See supra, at 18 (handguns prevalent in suicides); Brief for National Network to End Domestic Violence et al. as Amici Curiae 27 (handguns prevalent in domestic violence). If it is indeed the case, as the District believes, that the number of guns contributes to the number of gun-related crimes, accidents, and deaths, then, although there may be less restrictive, less effective substitutes for an outright ban, there is no less restrictive equivalent of an outright ban.

Licensing restrictions would not similarly reduce the handgun population, and the District may reasonably fear that even if guns are initially restricted to law-abiding citizens, they might be stolen and thereby placed in the hands of criminals. See supra, at 19. Permitting certain types of handguns, but not others, would affect the commercial market for handguns, but not their availability. And requiring safety devices such as trigger locks, or imposing safe-storage requirements would interfere with any self-defense interest while simultaneously leaving operable weapons in the hands of owners (or others capable of acquiring the weapon and disabling the safety device) who might use them for domestic violence or other crimes.

The absence of equally effective alternatives to a complete prohibition finds support in the empirical fact that other States and urban centers prohibit particular types of weapons. Chicago has a law very similar to the District's, and many of its suburbs also ban handgun possession under most circumstances. See Chicago, Ill., Municipal Code §§8-20-030(k), 8-20-40, 8-20-50(c) (2008); Evanston, Ill., City Code §9-8-2 (2007); Morton Grove, Ill., Village Code §6-2-3(C) (2008); Oak Park, Ill., Village Code §27-2-1 (2007); Winnetka, Ill., Village Ordinance §9.12.020(B) (2008); Wilmette, Ill., Ordinance §12-24(b) (2008). Toledo bans certain types of handguns. Toledo, Ohio, Municipal Code, ch. 549.25 (2007). And San Francisco in 2005 enacted by popular referendum a ban on most handgun possession by city residents; it has been precluded from enforcing that prohibition, however, by state-court decisions deeming it pre-empted by state law. See Fiscal v. City and County of San Francisco, 158 Cal. App. 4th 895, 900-901, 70 Cal. Rptr. 3d 324, 326-328 (2008). (Indeed, the fact that as many as 41 States may pre-empt local gun regulation suggests that the absence of more regulation like the District's may perhaps have more to do with state law than with a lack of locally perceived need for them. See Legal Community Against Violence, Regulating Guns in America 14 (2006), http://www.lcav.org/Library/reports_...al_8.16.06.pdf.

In addition, at least six States and Puerto Rico impose general bans on certain types of weapons, in particular assault weapons or semiautomatic weapons. See Cal. Penal Code §12280(b) (West Supp. 2008); Conn. Gen. Stat. §§53-202c (2007); Haw. Rev. Stat. §134-8 (1993); Md. Crim. Law Code Ann. §4-303(a) (Lexis 2002); Mass. Gen. Laws, ch. 140, §131M (West 2006); N. Y. Penal Law Ann. §265.02(7) (West Supp. 2008); 25 Laws P. R. Ann. §456m (Supp. 2006); see also 18 U. S. C. §922(o) (federal machinegun ban). And at least 14 municipalities do the same. See Albany, N. Y., Municipal Code §193-16(A) (2005); Aurora, Ill., Ordinance §29-49(a) (2007); Buffalo, N. Y., City Code §180-1(F) (2000); Chicago, Ill., Municipal Code §8-24-025(a), 8-20-030(h); Cincinnati, Ohio, Admin. Code §708-37(a) (Supp. 2008); Cleveland, Ohio, Ordinance §628.03(a) (2008); Columbus, Ohio, City Code §2323.31 (2007); Denver, Colo., Municipal Code §38-130(e) (2008); Morton Grove, Ill., Village Code §6-2-3(B); N. Y. C. Admin. Code §10-303.1 (2007); Oak Park, Ill., Village Code §27-2-1; Rochester, N. Y., Code §47-5(f) (2008); South Bend, Ind., Ordinance §§13-97(b), 13-98 (2008); Toledo, Ohio, Municipal Code §549.23(a). These bans, too, suggest that there may be no substitute to an outright prohibition in cases where a governmental body has deemed a particular type of weapon especially dangerous.

D

The upshot is that the District's objectives are compelling; its predictive judgments as to its law's tendency to achieve those objectives are adequately supported; the law does impose a burden upon any self-defense interest that the Amendment seeks to secure; and there is no clear less restrictive alternative. I turn now to the final portion of the "permissible regulation" question: Does the District's law disproportionately burden Amendment-protected interests? Several considerations, taken together, convince me that it does not.

First, the District law is tailored to the life-threatening problems it attempts to address. The law concerns one class of weapons, handguns, leaving residents free to possess shotguns and rifles, along with ammunition. The area that falls within its scope is totally urban. Cf. Lorillard Tobacco Co. v. Reilly, 533 U. S. 525, 563 (2001) (varied effect of statewide speech restriction in "rural, urban, or suburban" locales "demonstrates a lack of narrow tailoring"). That urban area suffers from a serious handgun-fatality problem. The District's law directly aims at that compelling problem. And there is no less restrictive way to achieve the problem-related benefits that it seeks.

Second, the self-defense interest in maintaining loaded handguns in the home to shoot intruders is not the primary interest, but at most a subsidiary interest, that the Second Amendment seeks to serve. The Second Amendment's language, while speaking of a "Militia," says nothing of "self-defense." As JUSTICE STEVENS points out, the Second Amendment's drafting history shows that the language reflects the Framers' primary, if not exclusive, objective. See ante, at 17-28 (dissenting opinion). And the majority itself says that "the threat that the new Federal Government would destroy the citizens' militia by taking away their arms was the reason that right . . . was codified in a written Constitution." Ante, at 26 (emphasis added). The way in which the Amendment's operative clause seeks to promote that interest-by protecting a right "to keep and bear Arms"-may in fact help further an interest in self-defense. But a factual connection falls far short of a primary objective. The Amendment itself tells us that militia preservation was first and foremost in the Framers' minds. See Miller, 307 U. S., at 178 ("With obvious purpose to assure the continuation and render possible the effectiveness of [militia] forces the declaration and guarantee of the Second Amendment were made," and the amendment "must be interpreted and applied with that end in view").

Further, any self-defense interest at the time of the Framing could not have focused exclusively upon urban-crime related dangers. Two hundred years ago, most Americans, many living on the frontier, would likely have thought of self-defense primarily in terms of outbreaks of fighting with Indian tribes, rebellions such as Shays' Rebellion, marauders, and crime-related dangers to travelers on the roads, on footpaths, or along waterways. See Dept. of Commerce, Bureau of Census, Population: 1790 to 1990 (1998) (Table 4), online at http://www.census.gov/population/censusdata/table-4.pdf (of the 3,929,214 Americans in 1790, only 201,655-about 5%-lived in urban areas). Insofar as the Framers focused at all on the tiny fraction of the population living in large cities, they would have been aware that these city dwellers were subject to firearm restrictions that their rural counterparts were not. See supra, at 4-7. They are unlikely then to have thought of a right to keep loaded handguns in homes to confront intruders in urban settings as central. And the subsequent development of modern urban police departments, by diminishing the need to keep loaded guns nearby in case of intruders, would have moved any such right even further away from the heart of the amendment's more basic protective ends. See, e.g., Sklansky, The Private Police, 46 UCLA L. Rev. 1165, 1206-1207 (1999) (professional urban police departments did not develop until roughly the mid-19th century).

Nor, for that matter, am I aware of any evidence that handguns in particular were central to the Framers' conception of the Second Amendment. The lists of militia-related weapons in the late 18th-century state statutes appear primarily to refer to other sorts of weapons, muskets in particular. See Miller, 307 U. S., at 180-182 (reproducing colonial militia laws). Respondent points out in his brief that the Federal Government and two States at the time of the founding had enacted statutes that listed handguns as "acceptable" militia weapons. Brief for Respondent 47. But these statutes apparently found them "acceptable" only for certain special militiamen (generally, certain soldiers on horseback), while requiring muskets or rifles for the general infantry. See Act of May 8, 1792, ch. XXXIII, 1 Stat. 271; Laws of the State of North Carolina 592 (1791); First Laws of the State of Connecticut 150 (1784); see also 25 Journals of the Continental Congress, pp. 1774-1789 741-742 (1922).

Third, irrespective of what the Framers could have thought, we know what they did think. Samuel Adams, who lived in Boston, advocated a constitutional amendment that would have precluded the Constitution from ever being "construed" to "prevent the people of the United States, who are peaceable citizens, from keeping their own arms." 6 Documentary History of the Ratification of the Constitution 1453 (J. Kaminski & G. Saladino eds. 2000). Samuel Adams doubtless knew that the Massachusetts Constitution contained somewhat similar protection. And he doubtless knew that Massachusetts law prohibited Bostonians from keeping loaded guns in the house. So how could Samuel Adams have advocated such protection unless he thought that the protection was consistent with local regulation that seriously impeded urban residents from using their arms against intruders? It seems unlikely that he meant to deprive the Federal Government of power (to enact Boston-type weapons regulation) that he know Boston had and (as far as we know) he would have thought constitutional under the Massachusetts Constitution. Indeed, since the District of Columbia (the subject of the Seat of Government Clause, U. S. Const., Art. I, §8, cl. 17) was the only urban area under direct federal control, it seems unlikely that the Framers thought about urban gun control at all. Cf. Palmore v. United States, 411 U. S. 389, 397-398 (1973) (Congress can "legislate for the District in a manner with respect to subjects that would exceed its powers, or at least would be very unusual, in the context of national legislation enacted under other powers delegated to it").

Of course the District's law and the colonial Boston law are not identical. But the Boston law disabled an even wider class of weapons (indeed, all firearms). And its existence shows at the least that local legislatures could impose (as here) serious restrictions on the right to use firearms. Moreover, as I have said, Boston's law, though highly analogous to the District's, was not the only colonial law that could have impeded a homeowner's ability to shoot a burglar. Pennsylvania's and New York's laws could well have had a similar effect. See supra, at 6-7. And the Massachusetts and Pennsylvania laws were not only thought consistent with an unwritten common-law gun-possession right, but also consistent with written state constitutional provisions providing protections similar to those provided by the Federal Second Amendment. See supra, at 6-7. I cannot agree with the majority that these laws are largely uninformative because the penalty for violating them was civil, rather than criminal. Ante, at 61-62. The Court has long recognized that the exercise of a constitutional right can be burdened by penalties far short of jail time. See, e.g., Murdock v. Pennsylvania, 319 U. S. 105 (1943) (invalidating $7 per week solicitation fee as applied to religious group); see also Forsyth County v. Nationalist Movement, 505 U. S. 123, 136 (1992) ("A tax based on the content of speech does not become more constitutional because it is a small tax").

Regardless, why would the majority require a precise colonial regulatory analogue in order to save a modern gun regulation from constitutional challenge? After all, insofar as we look to history to discover how we can constitutionally regulate a right to self-defense, we must look, not to what 18th-century legislatures actually did enact, but to what they would have thought they could enact. There are innumerable policy-related reasons why a legislature might not act on a particular matter, despite having the power to do so. This Court has "frequently cautioned that it is at best treacherous to find in congressional silence alone the adoption of a controlling rule of law." United States v. Wells, 519 U. S. 482, 496 (1997). It is similarly "treacherous" to reason from the fact that colonial legislatures did not enact certain kinds of legislation an unalterable constitutional limitation on the power of a modern legislature cannot do so. The question should not be whether a modern restriction on a right to self-defense duplicates a past one, but whether that restriction, when compared with restrictions originally thought possible, enjoys a similarly strong justification. At a minimum that similarly strong justification is what the District's modern law, compared with Boston's colonial law, reveals.

Fourth, a contrary view, as embodied in today's decision, will have unfortunate consequences. The decision will encourage legal challenges to gun regulation throughout the Nation. Because it says little about the standards used to evaluate regulatory decisions, it will leave the Nation without clear standards for resolving those challenges. See ante, at 54, and n. 26. And litigation over the course of many years, or the mere specter of such litigation, threatens to leave cities without effective protection against gun violence and accidents during that time.
As important, the majority's decision threatens severely to limit the ability of more knowledgeable, democratically elected officials to deal with gun-related problems. The majority says that it leaves the District "a variety of tools for combating" such problems. Ante, at 64. It fails to list even one seemingly adequate replacement for the law it strikes down. I can understand how reasonable individuals can disagree about the merits of strict gun control as a crime-control measure, even in a totally urbanized area. But I cannot understand how one can take from the elected branches of government the right to decide whether to insist upon a handgun-free urban populace in a city now facing a serious crime problem and which, in the future, could well face environmental or other emergencies that threaten the breakdown of law and order.
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