Even the most awkward among us can do it.
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If it feels like you're making fewer and fewer friends as you cruise through adulthood, that's because it's probably true. A depressing 2013 review of more than 270 studies found that people's personal networks and friendship bases generally grow until young adulthood, then decline steadily with age. 

Of course, that's only a problem if you feel like it's a problem. One of the great joys of growing up is the freedom to whittle down friendships to the few core people you actually need and love. (And yes, I am indeed saying this to justify the fact that I am 31 and my social life increasingly revolves around my six month old and, like, 2.5 good girlfriends -- one of whom is my sister.)

But if you are happen to be a grown woman who is looking to make new friends, whether it's because you've moved, or fallen out of touch or just want to surround yourself with some new faces who totally get where you're at in your life, here are a few tips, several sourced straight from HuffPost editors who've somehow managed to do it themselves.

Join things...

It's obvious, yes, but you're not going to make new friends sitting alone in your apartment, watching Netflix and getting down with a pint of Chubby Hubby. Real adult women I spoke to said they've successfully picked up new lady friends by joining book clubs, taking Zumba and yoga classes and playing intramural sports. 

...but only things you're actually into.

One of the reasons why book club friendships tend to be easily formed (aside from, you know, booze) is that women generally join because a) they, like you, like to read and b) they, like you, are looking to socialize. A shared interest + a genuine desire to make new buddies = friendship city! But forcing yourself to join clubs if you're just not a joiner, or take classes you detest in the name of expanding your social network is the worst. And now you're a grown-ass woman, so you no longer have to -- huzzah! If the idea of a book club makes you ill, skip it. If you're terrified by the thought of cardio-dance-whatever, don't go. Find your thing, then (and this is the real key) actually do it. 

Work somewhere awesome.

This one's easier said than done, of course. But if you are lucky enough to have at least one co-worker you find relatively kind and interesting, don't take it for granted. Make friends, and not just because it's good for your career, but because it feels good to develop bonds with the people you spend hours around. That doesn't even mean you have to go to group happy hours if you're an introvert, or just don't want to. Grab your beloved work wives for lunch every once in a while, or even just initiate bonding over Gchat. Then make an effort to stay in touch if one or both of you moves on to a new gig.

Have kids.

This is in no way to suggest that being childfree, by choice or otherwise, is an impediment to making friends. It's absolutely not. If you don't have children, or can't have children, or hate the word children, skip this tip. 

But several women I spoke to did say having kids is one of the easiest ways they've found to make friends with other women. One described connecting with another mom at her kid's soccer game who was the only other woman also working on her laptop. Another echoed that she's found it pretty easy to make mom friends -- with the caveat that it can be heartbreaking when your kid breaks up with a friend whose mother you love, meaning it may be over for you two as well. (This can also happen when you befriend a friend's partner and they split, and it's the pits.) 

Co-opt your friends' friends.

Getting to know your friends' friends better is an easy way to meet new people you'd probably get along with. Presumably at least one of your current lady friends is a decent judge of character with pals in other areas of her life with whom you'd be simpatico. When you meet one at a birthday party or concert or whatever, glom on and never let them go! As a bonus, it's relatively non-awkward to establish a follow-up date -- just include the friend who brought you two together, et voila.

Revisit your archives.

Don't bother with friends you've broken up with for good reason, or who refuse to acknowledge that you've lived and changed a lot since you were a nerdy 13-year-old. But one of the glories of social media is that it's a pretty painless way to reconnect with faces from your past who you actually miss -- you know, the college friend who you fell out of touch with for no good reason other than life happens, or the non-mom friend you unintentionally blew off after you had a kid. If something went wrong between you, rehash your sh*t if you feel like it's important for successfully moving forward. Or don't. That's the awesome thing about making friends as an adult woman. It may be hard to do, but you get to do it fully on your own terms.

Also on HuffPost: 

Famous Female Friendships
Marilyn Monroe and Ella Fitzgerald(01 of08)
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While countless articles, films and documentaries have chronicled the lives of both America’s most famous sex symbol and the Queen of Jazz respectively, most leave out an important detail: their friendship with each other. Marilyn, who idolized and was inspired by Ella, supported her friend in the face of racism, by helping her get her first gig at a prominent nightclub in 1955 by promising to sit in the front row of the audience every night for a week. (credit:Image via KPLU Tumblr)
Gloria Steinem and Marlo Thomas(02 of08)
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Marlo Thomas and Gloria Steinem met in 1967 when an agent pitched the idea of Marlo playing Gloria in a TV-movie. The movie never happened (and the agent turned out to be quite offensive), but the two activists have remained friends ever since. Says Marlo about Steinem, “We have been confidantes, soul mates and sisters.” (credit:Getty)
Beyoncé Knowles and Kelly Rowland(03 of08)
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Beyoncé and Kelly's friendship dates back to their days as two of the three members of Destiny's Child. Though both went their own way over a decade ago, the two have remained close friends. Despite recent reports to the contrary, Kelly insists, "I love my sister. [Beyoncé] is so incredibly supportive. [She is] one of the closest people to me." (credit:Getty)
Penelope Cruz and Salma Hayek(04 of08)
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Cruz and Hayek (who have been friends since early on in their careers) first worked together on the film “Bandidas.” In fact, they almost died together when the plane taking them to the set nearly crashed in 2006. Their friendship was strong even then -- Penelope said about the experience, “A thought came across my mind that if I were to die at that moment, at least I’d die with my best friend.” (credit:Getty)
Tina Fey and Amy Poehler(05 of08)
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These hilarious women met in 1993 at an improv class in Chicago and continued to work together throughout the years at the "Upright Citizens Brigade" and "SNL" (where the two co-hosted the segment “Weekend Update” from 2004-2006). They eventually collaborated on films such as "Mean Girls" and "Baby Mama." Amy has said about Tina, "She’s...really, really funny and incredibly hard-working and a very supportive and loyal friend." Tina once quipped about Amy, "We're like Oprah and Gayle. Only we're not denying anything." (credit:AP)
Melissa McCarthy and Sandra Bullock(06 of08)
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It seems that life imitates art for McCarthy and Bullock, who play a crime-fighting duo in this summer's much anticipated buddy comedy "The Heat." The film's director, Paul Feig, described the actresses as "inseparable…Normally after movies, those friendships go away. Theirs blossomed.” (credit:AP)
Oprah Winfrey and Gayle King(07 of08)
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"Oprah and Gayle" are names that have practically become synonymous with "female friendship." Oprah has said of their friendship: "I wish every person on earth to experience somebody to care for them and to know them in such a way that they only want the best for you… When you become famous...a lot of people lose oxygen and they can’t make the summit with you. [It's good] to be able to have somebody who not only can make the summit, but stand at the summit with you and rejoices in your being able to make it.” (credit:Getty)
Hillary Clinton and Meryl Streep(08 of08)
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It just makes sense that these two women, who are arguably better at their respective jobs than most other humans ever, discovered they are kindred spirits. The photo of the two taking a selfie at the 2012 Kennedy Center Honors Gala dinner became an instant classic, and Meryl gave a heartfelt introduction for Hillary Clinton at the 2012 Women In The World Summit stating, “She has turned out to be the voice of her generation. I’m an actress, and she is the real deal.” (credit:AP)