Hordeum spp.: two-row barley (H. disticum) six-row barley (H. hexasticum) four-row barley (H. vulgare). Tolerates poorer soils and lower temperatures better than does wheat. Varieties include with husk and without (naked). Used as a livestock feed, for malt and for preparing foods. The roasted grains are a coffee substitute.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japan | 858 | 1,508 | 1,498 | 1,417 | 1,359 | 1,257 | 1,356 | 1,294 | 1,097 | 1,155 | 1,197 | 1,253 | 1,158 | 1,253 | 1,132 | 1,184 | 1,227 | 1,250 |
| United States | 218 | 293 | 636 | 117 | 207 | 354 | 507 | 408 | 513 | 405 | 210 | 199 | 128 | 154 | 142 | 320 | 513 | 305 |
| United Kingdom | 106 | 105 | 70 | 70 | 89 | 89 | 88 | 80 | ||||||||||
| Canada | 0 | 0 | 38 | 44 | 44 | 16 | 19 | 9 | 136 | 161 | 64 | 59 | 43 | 63 | 294 | 228 | 26 | 30 |