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Life stages
TS2 Aging
Examples of life stages in The Sims 2.

Not to be confused with Life stages (pet) or Life state.

A life stage is the age of a Sim. Sims do not age continuously, day by day, year by year, but all at once, "jumping" to the next stage in life.

The Sims[]

In The Sims, there are only three stages: baby, child, and adult.

Babies grow into children after 72 hours but are considered objects. Children do not grow up into adults, although the Makin' Magic expansion allows magical children to grow up by using the Age of Instant charm, however, their heads will be completely randomized and may not look like they did when they were a child. This change is permanent and cannot be reversed. There are third-party programs that can grow a child into an adult. There are also hacked objects which can allow a child to function as an adult, or vice versa. Children and adults have indefinite lifespans, and cannot die via aging.

The Sims 2[]

There are seven life stages in The Sims 2.

Note: The durations of life stages stated here are subject to two caveats. The first is that the aging off cheat suspends aging for all Sims. The second is that, from teens onward, Sims can use the Elixir of Life reward object to prolong life by 3 days (if successful) or shorten it by 3 days (if unsuccessful). Drinking from the cowplant will also prolong life for five days.[TS2:U] A successful Give Me A Long Life wish will prolong life for four days.[TS2:FT]

Sims that are teens or older can become zombies[TS2:U] or vampires[TS2:NL], which also stops them from aging. Nevertheless, teen vampires or teen zombies can age by going to university. This action will change their age to young adult, and graduating will change it to adult, just like normal Sims. Also, PlantSims have only three of the seven life stages: toddler, adult, and elder.

If a residential lot originally built in a college sub-neighborhood is placed in the Lots and Houses bin, and then in a non-college area, its aging controller may remain stuck. Sims moved into such a lot will not age until they are moved into a lot with a working aging controller. The aging controller can be unstuck by moving the Sims out, making a build mode edit that changes the way the lot appears in the neighborhood view, and moving the Sims back in.

When a Sim is within one Sim day of transitioning from one age to another, it's their birthday, and they can then either wait for 6 pm (18:00) when they will automatically grow up, or players can trigger the age transition themselves with the "Grow Up" self-interaction, or the birthday cake. When using the cake, babies and toddlers depend on a teen, adult, or elder to bring them to it. Furthermore, babies don't have the "Grow Up" interaction - they always need the assistance of an older Sim to become a toddler, no matter what. Using the "Grow Up" interaction will cause the selected Sim to grow up a day early.

As a household's game clock only runs when it is being played, each household's game clock runs independently from all others. Sims will not age, much less age up, automatically unless they are part of the household being played. This also means a playable Sim will not die off-screen.

The Sims 3[]

In The Sims 3, by default, all households in the neighborhood observe the same game clock. This means that Sims not part of the active household but due to age will do so off-screen.

The toddler stage is 3 days longer, while the child and teen stages are both 1-day shorter. In addition, elders will always live for a minimum of 16 days.

There are seven life stages in The Sims 3.

See also: Lifespan
Lifespan Baby Toddler Child Teen Young adult Adult Elder Total Lifespan
Short 1 day 2 days 2 days 4 days 6 days 6 days 4 days+ 25 days+
Medium 2 days 4 days 4 days 8 days 12 days 12 days 8 days+ 50 days+
Normal 3 days 7 days 7 days 14 days 21 days 21 days 17 days+ 90 days+
Long 6 days 15 days 15 days 30 days 45 days 45 days 34 days+ 190 days+
Epic 30 days 75 days 75 days 150 days 225 days 225 days 180 days+ 960 days+

With patch 22, a new option enables players to adjust their lifespan for each life stage. Some life states have a lifespan multiplier that extends the ages in young adult and adult stages. For example, vampires have a 5x multiplier, which extends a Sim's age in a young adult to 105 days in a normal setting or 1125 days in an epic setting.

A Vampire can live up to 9150 days (25 real years) with maximum settings, making it the longest survivable without cheats or traits.

It is also possible to use a birthday cake to age up Sims at any time. However, a Sim can only be aged up once per age. Players can also use the testingcheatsenabled true cheat, then ⇧ Shift+click a Sim, then click "trigger age transition". Players can do this as many times as they want, but doing this with elder Sims will kill them.

The Sims Medieval[]

As in The Sims, there are only 3 life stages in The Sims Medieval: baby, child, and adult. The player cannot create children or babies, only hero Sims, who can only be adults. While the "Age modifier" can be used to make a hero Sim appear older, technically the Sims are still adults. Female Sims with this appearance can still be impregnated.

In a patch, the "Child Succession" feature was added. If a hero Sim dies and they had one or more children, then the new hero select menu will have the option to choose "Child Succession". This allows the player to choose one of the original hero's children to age into an adult, where they will take over their parent's profession.

The Sims 4[]

The Sims 4 has eight life stages: newborn, infant, toddler, child, teen, young adult, adult and elder. Unlike The Sims 2 and The Sims 3, The Sims 4 initially did not have the toddler or infant life stages. The toddler life stage was added in patch 46, while the infant life stage was added in patch 142.

All played Sims who are not in the active household will age automatically off-screen unless auto-age is switched off or to 'Only Active Household'.

Occasionally, a Sim may get an invitation over the phone from their friend living in a different household to attend their birthday party, which can be up to several days before the latter Sim is actually due to age up. The former Sim may decline and the latter Sim will age up at the time they are due to do so.

Pregnancy will affect a Sim's lifespan as they do not age until they give birth.

When an elder's age meter gets filled up completely, it may take up to 48 hours for that elder to pass away. Elder Sims who have the "Active" or "Long Lived" traits will get additional time. Extra time can also be obtained with Cowplant essence.

Patch 50 expanded the young adult and adult lifespans by 4 days each to accommodate the addition of toddlers.

Following patch 132, the normal lifespan for teens was expanded to 21 days, adults to 33 days, and elders to 14 days. Before this patch, the lifespan for teens was only 14 days, adults 24 days, and elders 10 days.

With the release of patch 142, some lifespans were adjusted again to accommodate the addition of infants. The normal lifespan for newborns was reduced from 2 days to 1. The normal lifespan for children was expanded from 13 to 14 days, young adults from 24 to 28 days, and adults from 33 to 42 days. The newly introduced infants have a normal lifespan of 5 days.

Lifespan Newborn Infant Toddler Child Teen Young adult Adult Elder Total Lifespan
Short 0.5 2.5 3.5 7 10.5 14 21 7 66+
Normal 1 5 7 14 21 28 42 14 132+
Long 4 20 28 56 84 112 168 56 528+

The Sims FreePlay[]

The Sims FreePlay has 6 stages. They are infant, toddler, pre-teen, teen, adult, and senior. Unless the player has unlocked the final stage of the quest "Life Dreams and Legacies", they will have to pay 5 life points to make a birthday cake to age their Sims up.

The player can only create adult sims, and infant sims if you have unlocked the 2 and a half Sims quest.

If you do not have the Life Dreams and Legacies quest unlocked, Sims will not age up automatically and you'll have to make a birthday cake for them to age up.

The Sims Mobile[]

The Sims Mobile has 5 stages. They are baby, toddler, child, adult, and elder. The player cannot create babies, toddlers, children, or elders, but only adults. The adult life stage is the only playable stage in the game. If there is an open spot for a playable sim, the player has the option to age up a younger sim present in that household into an adult to be the new playable sim instead of creating a brand new sim.

All played adult sims will not age automatically. They can only age into elders after the player meets certain requirements to have the option for an adult sim to retire.

Babies, toddlers, and children can only age up manually after a certain amount of time or when there is an open spot to age up a sim into a player adult. Pre-made adult townies, however, will age into elders automatically.