Statistical summary

Official Languages and States With an Upper House
82 Upper House States have 44 languages, including English (28 States, 34%), followed by French (15 States, 18%), Arabic (8 States, 10%), Spanish (10 States, 12%) and German (4 States, 5%).

Official Languages and States Without an Upper House
112 States Without an Upper House have 61 languages, including English (28 States, 25%), followed by French (15 States, 13%), Arabic (15 States, 13%), Spanish (10 States, 9%) and Portuguese (7 States, 6%).

Linguistic Status and Upper Houses
Out of 145 Unlingual States, 58 have an Upper House (soit 40%) and 87 do not have an Upper House (soit 60%).
Out of Plurilingual States, 24 have an Upper House (soit 49%) and 25 do not have an Upper House(soit 51%).