Here are the daily recommendations for adults, from the National Academy of Sciences' Institute of Medicine:
MEN
Age 50 and younger—38 grams
Age 51 and older—30 grams
WOMEN
Age 50 and younger—25 grams
Age 51 and older—21 grams
Some Fiber-Rich Foods
•1 cup black beans, cooked—15 grams
•1 cup kidney beans, cooked—13 grams
•1 medium artichoke, cooked—10 grams
•1 cup vegetarian baked beans, canned, cooked—10 grams
•3 ounces of peanuts—8 grams
•1/2 cup peas or lima beans—7-8 grams
•1 cup whole wheat spaghetti—6 grams
•3/4 cup bran flakes—5 grams
•1 cup carrot, cooked —5 grams
•1 medium pear—5 grams
•1 cup cooked broccoli —5 grams
•1 cup cole slaw—4 grams
•1 medium apple—4 grams
•1 ounce almonds—3.5 grams
•1 cup brown rice, cooked—3.5 grams
•1 medium banana—3 grams
•1 medium orange—3 grams
•1 slice whole wheat bread—2 grams
•2 tablespoons raisins—1 gram