For number by native speakers, see List of languages by number of native speakers. A number of sources have compiled lists of languages by their number of speakers. However, all such lists should be used with caution. 1  First, it is difficult to define exactly what constitutes a language as opposed to a dialect.
If you are petite, 19-21 inside inches depth is enough. But if you are tall, get a couch that has 22-24 inches inside depth. The same about the height of the sofa back. Overall Height: While average height is 37 inches, some contemporary sofas are 33-34 inches.
The height of a coffee table is important. It should be no lower than 1-2 inches from the seat of your couch. The standard height for a table is 16-18 inches and pairs well with a typical sized couch. A higher sofa requires a taller table, one that is 20-21 inches in height.