Le Nouvion-en-Thiérache (French pronunciation: [lə nuvjɔ̃ ɑ̃ tjeʁaʃ], literally Le Nouvion in Thiérache; Picard: Ch' Nouvion-in-Thiérache) is a commune in the Aisne department, region of Hauts-de-France (formerly Picardy), northern France.

Historical population

Year Pop. ±% p.a. 1793 3,018 —     1800 3,357 +1.53% 1806 3,082 −1.41% 1821 3,158 +0.16% 1831 3,106 −0.17% 1836 3,068 −0.25% 1841 3,045 −0.15% 1846 3,240 +1.25% 1851 3,295 +0.34% 1856 3,094 −1.25% 1861 3,070 −0.16% 1866 3,261 +1.21% 1872 3,172 −0.46% 1876 3,273 +0.79% 1881 3,334 +0.37% 1886 3,209 −0.76% 1891 3,110 −0.62% 1896 3,085 −0.16%	Year Pop. ±% p.a. 1901 3,189 +0.67% 1906 2,977 −1.37% 1911 2,875 −0.69% 1921 2,628 −0.89% 1926 2,851 +1.64% 1931 2,623 −1.65% 1936 2,636 +0.10% 1946 2,455 −0.71% 1954 2,684 +1.12% 1962 3,096 +1.80% 1968 3,343 +1.29% 1975 3,247 −0.42% 1982 3,139 −0.48% 1990 2,905 −0.96% 1999 2,917 +0.05% 2007 2,823 −0.41% 2012 2,801 −0.16% 2017 2,602 −1.46%
Source: EHESS and INSEE (1968-2017)

On August 27, 1914, 210 houses in Le Nouvion-en-Thiérache were destroyed. On October 3, 1914, the Germans requisitioned cars and trucks, six bicycles, candles and kerosene. Every day, the town had to supply the Germans with 100 kg of assorted meat, 85 kg of bread, 48 kg of oats, 8 bales of alfalfa; 8 bales of straw, carrots, turnips, a cabbage and 200 kg of coal. A large part of the Nouvion-en-Thiérache forest is requisitioned and cut down to produce coal and rifle butts. On November 6, 2018, the town was liberated.

• Kamini (born 1979), rapper, comedian and screenwriter.
• Ernest Lavisse (1842-1922), historian.
• Adrien Fainsilber (1932-2023), architect and urbanist.

• Communes of the Aisne department