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.
There are two lengths that are most important: the sofa width and the height of the sofa's back (the back of the sofa when you're sitting down - measure from floor to top of back). Let's start there. Measure the dimensions of the sofa: height, width and length. If the sofa legs can be removed, it's best to remove them first. If they cannot be removed, then you need to measure the height with the legs attached, from the floor to the top of the sofa's back.