Senilocracy

Near-synonym: gerontocracy

Source: wiktionary

The national party is divided into two factions: the progressists, who want to overthrow the senilocracy and bring to power the young and vigorous capacities that are needed by the state of the country; and the acculards [blind alley men, " stick-in-the-muds "] who are endeavouring to cling to all the old clothes of our government.

Source: wiktionary

The chairmen of committees are beyond the reach of the Administration and even of Congress itself and constitute a kind of senilocracy that makes as much trouble and confusion as anything in Congress.

Source: wiktionary

This apparent Soviet receptivity to arms control can be attributed to several factors. First, after a number of years of suffering under a “senilocracy,’ the Soviet Union, at last, is under the direction of a dynamic, “live” leader who is able to make decisions, to respond more flexibly to the challenges of East-West public diplomacy, and to appreciate the impact of Soviet behavior on other nations.

Source: wiktionary