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How Birth Order Changes Your Life

The Personality Traits of First Born, Middle, and Youngest Children

Nov 1, 2007 Laurie Pawlik-Kienlen

Birth order affects your life, job, marriage, and earning power! Here's a summary of the personality characteristics of first born, middle born, and last born children.

This birth order information explains how characteristics and personality traits are affected by being the first born, middle born, or last born child.

Are you the oldest, youngest, or caught somewhere in the middle? Your birth order or family placement can affect your life, personality traits, professional achievements, and personal relationships.

Birth Order: Characteristics of First Born Children

  • Smarter? First born children may be smarter than youngest and middle children. First borns' IQ points are on average 3 points higher than their younger siblings; in fact, IQs tend to drop as more children are born in the family. This may be because parents spend more time with first borns, and first born children mentor their younger siblings and thus learn more. However, Aaron Wichman of Ohio State University found that it’s not birth order that affects intelligence, it’s family size (“Older Children Not Smarter Than Younger Sibs, Study Finds.”). Big families can’t offer the same advantages to all the kids that small families can – it’s genetics and the family environment that affects IQ more than birth order.
  • Better educated. First born children are more likely to go to college or university than youngest or middle children. If parents can afford to send one child to school, it’s more likely to be the first born. Families invest more in first born children than middle or youngest children.
  • Earn more money. First born children may earn more money and be more likely to hold a high-paying, white collar job. First borns are more likely to be surgeons, chairs in boardrooms, and hold MBAs.
  • Favorites. First born children are more likely enjoy resources (food, parental time, emotional nourishment, attention) than youngest children. It becomes a cycle: the more first borns are nurtured, the stronger they become – prompting parents to invest even more time, money, and attention.

Birth Order: Characteristics of Middle Children

  • More mysterious. Middle born children are more difficult to define because their identity growing up changed (from last born to middle child). This affects their personality and environment in unpredictable ways.
  • Peacekeepers. Middle born children may be more likely to keep peace in the family, to restore connections and relationships.
  • Less decisive. Middle children may take longer to choose a career than firstborn or later-borns. They may deliberately make opposite choices than firstborns; if the first born is a doctor, the middle child may choose to be a firefighter or policeman.
  • Less connected. Middle children may not be as attached to the family as first borns or later borns.

Birth Order: Characteristics of Last Born or Youngest Children

  • More adventurous. Last born or youngest children are more likely to be “loose cannons”, according to an article in Time magazine (“The Power of Birth Order”, Oct 29, 2007). Youngest children are more likely to be an artist, entrepreneur or adventurer – and more likely to participate in physically risky sports.
  • Funnier. Last born children are more likely to be comedians or satirists. They’ll be outrageous or funny as a power strategy in the family.
  • More agreeable. Younger children tend to get along in the world better – a trait known as “agreeableness” in the Big Five Personality Traits. Compared to first born children, last borns are less likely to provoke people.

Though these birth order characteristics are not set in stone – they’re affected by family size, the environment, circumstances, etc. – birth order does affect your life and personality traits.

“Birth order, even on a rudimentary level, gives you a jump start on understanding each other,” says Cliff Isaacson, an Iowa-based psychotherapist and author of five books on birth order, including The Birth Order Effect for Couples. “Each place in the birth order has a unique thinking pattern, how he or she processes information.”

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15 Comments

Comments

Jan 20, 2009 11:37 PM
Guest :
Your information is very useful :)
Mar 22, 2009 9:14 AM
Guest :
Nothing for only children, as usual
Apr 2, 2009 4:39 PM
Guest :
only childern commonly share the same traits as the oldest sibling.
Apr 30, 2009 9:59 PM
Guest :
well this is correct about the middle.
i was laughing at how accurate it was.
and the being detached part is so true this was shocking to learn.
and it kinda sux because it takes away individuality some what.
Jun 1, 2009 6:33 PM
Guest :
Actually the middle child information is incorrect because im very close with my family (parents) and i one of four children. And we are definalty not the peace keepers :)
Jun 4, 2009 3:45 PM
Guest :
i'm extremly close to my family, and i am the peace keeper only when someone else is fighting. ill try to help them work it out and get through it. then again, i am always the one to start fights with everyone. it's hard.
Jun 16, 2009 3:23 PM
Guest :
I don't know, I'm a middle child and I'm smarter than both my older and younger sisters. I'm also funnier and more adventurous, so I'm unsure of this information.
Also how would this work in an family of four?
Jun 17, 2009 5:18 AM
Laurie Pawlik-Kienlen :
Thanks for your comment!

These birth order characteristics -- like any theory -- are based on the family as a whole. These traits of middle children, first born children, etc may not be true for every single person out there. A variety of factors could change these birth order characteristics, such as the age between siblings, the city or community they live in, the type of family they're in, etc. These are just general guidelines.

Regarding a family of four children: I believe that the two in the middle are counted as "middle children." They're more likely to have middle child characteristics than first or last born traits.
Jul 14, 2009 9:16 AM
Guest :
What about the only child? Is there a complex there?
Jul 14, 2009 3:39 PM
Laurie Pawlik-Kienlen :
Several readers have asked about the personality traits of only children, and I've finally dug up some info! I cover it in my Psychology Blog.

Just click on my name in blue at the top of this page, then click on "Read Laurie Pawlik-Kienlen's blog" on the right side. Scroll down to "What Are the Personality Traits of Only Children?"
Jul 19, 2009 4:26 AM
Guest :
I'm a middle, and I have found that a great deal of your treatment from the family as a whole comes from THEIR birth order. One of my parents is and only child, and one is the baby. Also, I would like to see twins addressed in birth order articles. My spouse is a twin, but they are the babies of their family. All the other things about the middle are true, true, true!
Aug 28, 2009 8:44 AM
Guest :
i LOVE this info
Sep 6, 2009 7:10 AM
Guest :
so what are fraternal twin personality traits? nothing about that :(
Sep 24, 2009 10:12 AM
Guest :
i think that your info is kinda correct and some wrong bc im older and thats not all right and what about an only child situation?!?!
Sep 24, 2009 10:24 AM
Laurie Pawlik-Kienlen :
Hi,

I wrote about the personality traits of only children on my Psychology Blog....

Just click on my name in blue at the top of this page, then click on "Read Laurie Pawlik-Kienlen's blog" on the right side. Scroll down to "What Are the Personality Traits of Only Children?"
15 Comments
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