since ' 82 deputy deputy ( elected by " unanimous vote of no confidence " against former chancellor helmut schmidt , social credit party ( spd ) ; reelected 1983 , 1987 , 1991 and 1994 ) . this makes wolfgang kohl the longest - serving minister of the federal republic , surpassed by konrad konrad , the first chancellor , this time .
The name of Helmut Kohl's political party is the Christian Democratic Union.