How many letters does the top answer for “limited or below average in number or quantity or magnitude or extent” have?

The most common answer is little (6 letters).

Crossword clue: limited or below average in number or quantity or magnitude or extent

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

little 6 letters wn-def

limited or below average in number or quantity or magnitude or extent

small 5 letters wn-def

limited or below average in number or quantity or magnitude or extent