What does the Church teach about the common good?

The Catechism of the Catholic Church (nos. 1906-1909) explains: “By common good is to be understood the sum total of social conditions which allow people, either as groups or as individuals, to reach their fulfillment more fully and more easily."1 The common good concerns the life of all. It calls for prudence from each, and even more from those who exercise the office of authority. It consists of three essential elements:

“First, the common good presupposes respect for the person as such. In the name of the common good, public authorities are bound to respect the fundamental and inalienable rights of the human person. Society should permit each of its members to fulfill his vocation. In particular, the common good resides in the conditions for the exercise of the natural freedoms indispensable for the development of the human vocation, such as the right to act according to a sound norm of conscience and to safeguard . . . privacy, and rightful freedom also in matters of religion.2

“Second, the common good requires the social well-being and development of the group itself. Development is the epitome of all social duties. Certainly, it is the proper function of authority to arbitrate, in the name of the common good, between various particular interests; but it should make accessible to each what is needed to lead a truly human life: food, clothing, health, work, education and culture, suitable information, the right to establish a family, and so on.3

“Finally, the common good requires peace, that is, the stability and security of a just order. It presupposes that authority should ensure by morally acceptable means the security of society and its members. It is the basis of the right to legitimate personal and collective defense.”

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1
Gaudium et Spes 26 § 1; cf. GS 74 § 1.
2GS 26 § 2.
3Cf. GS 26 § 2.