Nationality	People	Share
Chuvash people	684,930	63.73%
Russians	329,991	30.70%
Tatars	29,092	2.71%
Mordvins	7,707	0.72%
Mari people	2,904	0.27%
Ukrainians	2,178	0.20%
Tajiks	1,274	0.12%
Armenians	1,067	0.10%
Romani people	861	0.08%
Uzbeks	803	0.07%
Azerbaijanis	672	0.06%
Belarusians	601	0.06%
Arabs	507	0.05%
Turkmens	450	0.04%
Moldovans	217	0.02%
Udmurts	214	0.02%
Jewish people	208	0.02%
Germans	208	0.02%
Georgians	188	0.02%
Bashkir people	170	0.02%
Kazakhs	149	0.01%
Komi people	94	less than 0.01%
Chechens	87	less than 0.01%
Avars	84	less than 0.01%
Indians	79	less than 0.01%
Kyrgyz people	77	less than 0.01%
Koreans	72	less than 0.01%
Poles	57	less than 0.01%
Lezgins	54	less than 0.01%
Lithuanians	41	less than 0.01%
Bulgarians	40	less than 0.01%
Komi-Permyaks	34	less than 0.01%
Ossetians	34	less than 0.01%
Dargins	31	less than 0.01%
Greeks	30	less than 0.01%
Turkish people	30	less than 0.01%
Kabarday	28	less than 0.01%
Latvians	27	less than 0.01%
Yazidis	23	less than 0.01%
Gagauz	22	less than 0.01%
Karelians	19	less than 0.01%
Kumyk people	19	less than 0.01%
Yakuts	18	less than 0.01%
Kalmyks	17	less than 0.01%
Tabasaran people	14	less than 0.01%
Karachays	12	less than 0.01%
Buryats	11	less than 0.01%
Crimean Tatars	11	less than 0.01%
British	10	less than 0.01%
Lak people	10	less than 0.01%
Chukchis	10	less than 0.01%
Abkhazians	9	less than 0.01%
Vietnamese people	9	less than 0.01%
Romanians	9	less than 0.01%
Afghans	8	less than 0.01%
Spaniards	8	less than 0.01%
Italians	8	less than 0.01%
Finns	8	less than 0.01%
Persians	7	less than 0.01%
Serbs	7	less than 0.01%
Khakass people	7	less than 0.01%
Evenki people	7	less than 0.01%
Abazins	6	less than 0.01%
Ingush people	6	less than 0.01%
Kumandins	6	less than 0.01%
Nenets	6	less than 0.01%
Khanty people	6	less than 0.01%
Hungarians	5	less than 0.01%
Chinese people	5	less than 0.01%
Nogais	5	less than 0.01%
Karakalpaks	4	less than 0.01%
Circassians	4	less than 0.01%
Czechs	4	less than 0.01%
Estonians	4	less than 0.01%
Kurds	3	less than 0.01%
Talysh people	3	less than 0.01%
Montenegrins	3	less than 0.01%
Aghul people	2	less than 0.01%
Altai people	2	less than 0.01%
Americans	2	less than 0.01%
Mansi people	2	less than 0.01%
Mongols	2	less than 0.01%
Pakistanis	2	less than 0.01%
Rusyns	2	less than 0.01%
Tuvans	2	less than 0.01%
French	2	less than 0.01%
Shors	2	less than 0.01%
Japanese people	2	less than 0.01%
Balkars	1	less than 0.01%
Itelmens	1	less than 0.01%
Kamchadals	1	less than 0.01%
Koryaks	1	less than 0.01%
Nanai	1	less than 0.01%
Pamiris	1	less than 0.01%
Sámi people	1	less than 0.01%
Udi people	1	less than 0.01%
Uyghurs	1	less than 0.01%

Share of those in the region who stated a nationality. Table sheet: "Чувашская Республика".

Rosstat. National composition of the population of the Russian Federation. Results of the 2020 All-Russian Population Census (reference date 1 October 2021), vol. 5, table 1. Tom5_tab1_VPN-2020.xlsx (archived copy)