Amending the United States Constitution is no small task. This page 
will detail the amendment procedure as spelled out in the Constitution, 
and will also list some of the Amendments that have not been passed, 
as well as give a list of some amendments proposed in Congress during 
several of the past sessions.
There are essentially two ways spelled out 
in the Constitution for how to propose an amendment. One has never been 
used.
The second method prescribed is for a Constitutional Convention to be called 
by two-thirds of the legislatures of the States, and for that Convention to 
propose one or more amendments. These amendments are then sent to the states 
to be approved by three-fourths of the legislatures or conventions. This route 
has never been taken, and there is discussion in political science circles 
about just how such a convention would be convened, and what kind of changes it 
would bring about.
The Constitution, then, spells out four paths for an amendment:
It is interesting to note that at no point does the President have a role in 
the formal amendment process (though he would be free to make his opinion 
known). He cannot veto an amendment proposal, nor a ratification. This point 
is clear in Article 5, and was reaffirmed by the Supreme Court in 
Hollingsworth v Virginia (3 US 378 [1798]):
The negative of the President applies only to the ordinary cases 
of legislation: He has nothing to do with the proposition, or adoption, of 
amendments to the Constitution.
Another way the Constitution’s meaning is changed is often referred to as 
“informal amendment.” This phrase is a misnomer, because there is no way to 
informally amend the Constitution, only the formal way. However, the 
meaning of the Constitution, or the interpretation, can change over 
time.
There are two main ways that the interpretation of the Constitution changes, 
and hence its meaning. The first is simply that circumstances can change. One 
prime example is the extension of the vote. In the times of the Constitutional 
Convention, the vote was often granted only to monied land holders. Over time, 
this changed and the vote was extended to more and more groups. Finally, the 
vote was extended to all males, then all persons 21 and older, and then to all 
persons 18 and older. The informal status quo became law, a part of the 
Constitution, because that was the direction the culture was headed. Another 
example is the political process that has evolved in the United States: 
political parties, and their trappings (such as primaries and conventions) are 
not mentioned or contemplated in the Constitution, but they are fundamental to 
our political system.
The second major way the meaning of the Constitution changes is through the 
judiciary. As the ultimate arbiter of how the Constitution is interpreted, the 
judiciary wields more actual power than the Constitution alludes to. For 
example, before the Privacy Cases, it was perfectly constitutional for a state 
to forbid married couples from using contraception; for a state to forbid 
blacks and whites to marry; to abolish abortion. Because of judicial changes 
in the interpretation of the Constitution, the nation’s outlook on these issues 
changed.
In neither of these cases was the Constitution changed. Rather, the way we 
looked at the Constitution changed, and these changes had a far-reaching 
effect. These changes in meaning are significant because they can happen by a 
simple judge’s ruling and they are not a part of the Constitution and so they 
can be changed later.
One other way of amendment is also not mentioned in the Constitution, and, 
because it has never been used, is lost on many students of the Constitution. 
Framer James Wilson, however, endorsed popular amendment, and the topic is 
examined at some length in Akhil Reed Amar’s book, The Constitution: A 
Biography.
The notion of popular amendment comes from the conceptual framework of the 
Constitution. Its power derives from the people; it was adopted by the people; 
it functions at the behest of and for the benefit of the people. Given all 
this, if the people, as a whole, somehow demanded a change to the Constitution, 
should not the people be allowed to make such a change? As Wilson noted in 
1787, “… the people may change the constitutions whenever and however they 
please. This is a right of which no positive institution can ever deprive 
them.”
It makes sense – if the people demand a change, it should be made. The 
change may not be the will of the Congress, nor of the states, so the two 
enumerated methods of amendment might not be practical, for they rely on these 
institutions. The real issue is not in the conceptual. It is a reality that 
if the people do not support the Constitution in its present form, it cannot 
survive. The real issue is in the practical. Since there is no process 
specified, what would the process be? There are no national elections today – 
even elections for the presidency are local. There is no precedent for a 
national referendum. It is easy to say that the Constitution can be changed by 
the people in any way the people wish. Actually making the change is another 
story altogether.
Suffice it to say, for now, that the notion of popular amendment makes 
perfect sense in the constitutional framework, even though the details of 
effecting popular amendment could be impossible to resolve.