https://www.ncoa.org/public-policy-action/elder-justice/elder-abuse-facts/

https://www.childhelp.org/child-abuse-statistics/

Signs of Physical Abuse

Physical Indicators:

• Unexplained bruises and welts on the face, throat, upper arms, buttocks, thighs or lower back in unusual patterns or shapes which suggests the use of an instrument (belt buckle, electric cord) on an infant in various stages of healing that are seen after absences, weekends, or vacations.
• Unexplained burns, cigarette burns, especially burns found on palms, soles of feet, abdomen, buttocks; immersion burns producing "stocking" or "glove" marks on hands and feet; "doughnut shaped" on buttocks or genital area.
• Rope burns.
• Infected burns indicating delay in treatment; burns in the shape of common household utensils or appliances.

Behavioral Indicators:

• Behavioral extremes (withdrawal, aggression, regression, depression).
• Inappropriate or excessive fear of parent or caretaker.
• Antisocial behavior such as substance abuse, truancy, running away, fear of going home.
• Unbelievable or inconsistent explanation for injuries.
• Lies unusually still while surveying surroundings (for infants).
• Unusual shyness, wariness of physical contact.

Signs of Sexual Abuse

Physical Indicators:

• Torn, stained or bloody underclothes.
• Frequent, unexplained sore throats, yeast or urinary infections.
• Somatic complaints, including pain and irritation of the genitals.
• Sexually transmitted diseases.
• Bruises or bleeding from external genitalia, vagina or anal region.
• Pregnancy.

Behavioral Indicators:

• The victim's disclosure of sexual abuse.
• Regressive behaviors (thumb-sucking, bedwetting, fear of the dark).
• Promiscuity or seductive behaviors.
• Disturbed sleep patterns (recurrent nightmares).
• Unusual and age-inappropriate interest in sexual matters.
• Avoidance of undressing or wearing extra layers of clothes.
• Sudden decline in school performance, truancy.
• Difficulty in walking or sitting.

Signs of Emotional Abuse

Physical Indicators:

• Eating disorders, including obesity or anorexia.
• Speech disorders (stuttering, stammering).
• Developmental delays in the acquisition of speech or motor skills.
• Weight or height level substantially below norm.
• Flat or bald spots on head (infants).
• Nervous disorders (rashes, hives, facial tics, stomach aches).

Behavioral Indicators:

• Habit disorders (biting, rocking, head-banging).
• Cruel behavior, seeming to get pleasure from hurting children, adults or animals; seeming to get pleasure from being mistreated.
• Age-inappropriate behaviors (bedwetting, wetting, soiling).
• Behavioral extremes, such as overly compliant-demanding; withdrawn-aggressive; listless-excitable.

Signs of Neglect

Physical Indicators:

• Poor hygiene, including lice, scabies, severe or untreated diaper rash, bedsores, body odor.
• Squinting.
• Unsuitable clothing; missing key articles of clothing (underwear, socks, shoes); overdressed or underdressed for climate conditions.
• Untreated injury or illness.
• Lack of immunizations.
• Indicators of prolonged exposure to elements (excessive sunburn, insect bites, colds).
• Height and weight significantly below age level.

(https://www.childabuse.org/sslpage.aspx?pid=229)

Signs of Elder Abuse:

Physical elder abuse warning signs

• Unexplained signs of injury, such as bruises, welts, or scars, especially if they appear symmetrically on two sides of the body
• Broken bones, sprains, or dislocations
• Report of drug overdose or apparent failure to take medication regularly (a prescription has more remaining than it should)
• Broken eyeglasses or frames
• Signs of being restrained, such as rope marks on wrists
• Caregiver's refusal to allow you to see the elder alone

Emotional elder abuse warning signs

In addition to the general signs above, indications of emotional elder abuse include:

• Threatening, belittling, or controlling caregiver behavior that you witness
• Behavior from the elder that mimics dementia, such as rocking, sucking, or mumbling to oneself

Sexual elder abuse warning signs

• Bruises around breasts or genitals
• Unexplained vaginal or anal bleeding
• Torn, stained, or bloody underclothing

Elder neglect by caregivers or self-neglect warning signs

• Unusual weight loss, malnutrition, dehydration
• Untreated physical problems, such as bed sores
• Unsanitary living conditions: dirt, bugs, soiled bedding and clothes
• Being left dirty or unbathed
• Unsuitable clothing or covering for the weather
• Unsafe living conditions (no heat or running water; faulty electrical wiring, other fire hazards)
• Desertion of the elder at a public place

Financial exploitation warning signs

• Significant withdrawals from the elder's accounts
• Sudden changes in the elder's financial condition
• Items or cash missing from the senior's household
• Suspicious changes in wills, power of attorney, titles, and policies
• Addition of names to the senior's signature card
• Unpaid bills or lack of medical care, although the elder has enough money to pay for them
• Financial activity the senior couldn't have done, such as an ATM withdrawal when the account holder is bedridden
• Unnecessary services, goods, or subscriptions

Healthcare fraud and abuse warning signs

• Duplicate billings for the same medical service or device
• Evidence of overmedication or undermedication
• Evidence of inadequate care when bills are paid in full
• Problems with the care facility: poorly trained, poorly paid, or insufficient staff; crowding; inadequate responses to questions about care