"right to existence" is a correct and usable phrase in written English.
For example, you might use it in this sentence: "The Universal Declaration of Human Rights states that everyone has the right to existence."
The Well pleads for the "invert's" right to existence.
Why is Israel the only country in the world whose very right to existence is challenged in this way?
The aged and the infirm are accorded special protection also, and the right of peoples to self-determination is elaborated in the right to existence, equality, and nondomination.
On the other side, anti-abortion activists insist that from the moment of conception a foetus has an inalienable right to existence.
Its reckless political, economic and military pressure is most seriously threatening the D.P.R.K.'s right to existence, creating a grave situation on the Korean Peninsula.
Israel's security and right to existence must be acknowledged and guaranteed; the Palestinian people must itself be in a postiion to exercise its right to self-determination.
Second, we are not committed to the claim that if we are able now to violate the rights of future generations, it is their rights to existence that we violate.
Elephants have a right to exist, and their existence enriches all our lives.
Meanwhile, some Palestinian factions do not even recognize Israel's right to exist, let alone its existence as a Jewish state.
The security measures have become even tighter since the election to power a year ago of the Islamist group Hamas, which preaches eternal "resistance" to Israeli occupation and rejects Israel's right to permanent existence on this land.
They assume that the right to continued existence depends on the fetal capacity to experience pain.
