list of members of the united states congress by longevity of service 

Statements about this table:
daniel inouye have a second place rank for have an uninterrupted tenure time of 49 year , 394 day
the total tenure time of warren magnuson be 36 year , 20 day
the best total tenure time be the person with uninterrupted time of 49 year and 394 day
the total tenure time of warren magnuson be in the top 10 with 36 year and 20 day
total tenure rank
uninterrupted rank
name
state represented
total tenure time
uninterrupted time
1
1
robert byrd
west virginia
51 years , 176 days
51 years , 176 days
2
2
daniel inouye
hawaii
49 years , 349 days
49 years , 349 days
3
4
strom thurmond (i)
south carolina
47 years , 159 days
46 years , 57 days
4
3
ted kennedy
massachusetts
46 years , 292 days
46 years , 292 days
5
5
carl hayden
arizona
41 years , 305 days
41 years , 305 days
6
6
john c stennis
mississippi
41 years , 59 days
41 years , 59 days
7
7
ted stevens
alaska
40 years , 10 days
40 years , 10 days
total tenure rank
uninterrupted rank
name
state represented
total tenure time
uninterrupted time
8
8
patrick leahy
vermont
39years , 29days
39years , 29days
9
9
ernest hollings
south carolina
38 years , 55 days
38 years , 55 days
10
10
richard russell , jr
georgia
38 years , 9 days
38 years , 9 days
11
11
russell b long
louisiana
38 years , 3 days
38 years , 3 days
12
999
francis e warren (i)
wyoming
37 years , 6 days
n / a
13
12
orrin hatch
utah
37years , 29days
37years , 29days
total tenure rank
uninterrupted rank
name
state represented
total tenure time
uninterrupted time
14
999
james eastland (i)
mississippi
36 years , 83 days
n / a
15
13
warren magnuson
washington
36 years , 20 days
36 years , 20 days
16
14
joe biden
delaware
36 years , 12 days
36 years , 12 days
17
15
claiborne pell
rhode island
36 years , 0 days
36 years , 0 days
18
16
pete domenici
new mexico
36 years , 0 days
36 years , 0 days
19
17
richard lugar
indiana
36 years , 0 days
36 years , 0 days