Studi ini ingin melihat bagaimana pengaruh modal sosial terhadap probabilitas rumah tangga menjadi miskin di Indonesia. Dengan menggunakan metode probit pada data Indonesia Family Life Survey IFLS wave 5 tahun 2014, penelitian ini menemukan bahwa modal sosial bridging, yang diwakili oleh partisipasi rumah tangga pada arisan, koperasi, ataupun simpan pinjam desa dalam 12 bulan terakhir, signifikan mengurangi probabilitas rumah tangga menjadi miskin. Selain itu dengan metode ordinary least square OLS ditemukan pula bahwa modal sosial berpengaruh signifikan positif terhadap pengeluaran rumah tangga. faktor lain, seperti: sosial demografi, modal manusia, modal fisik, dan modal finansial yang signifikan mempengaruhi probabilitas rumah tangga menjadi miskin. Akan tetapi, ditemukan bahwa modal sosial bonding berupa bantuan dari kerabat terdekat tidak signifikan mempengaruhi probabilitas rumah tangga menjadi miskin.

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This study attempts to learn how social capital affects the households probability of being poor in Indonesia. By using probit method and utilizing the data of Indonesia Family Life Survey IFLS wave 5, this study discovered that social capital bridging, which is participation household in arisan, cooperation, and local microcredit for the last 12 months, statistically and significantly lower the household's probability of being poor. In addition, by using OLS method, this study confirms that social capital significantly increase household's per capita expenditure. Furthermore, this study reavealed that other factors such as social demographic, human capital, physical capital, and financial capital statistically and significantly affect the household's probability of falling into poverty. However, social capital bonding, which is realized by assistances of their closest relatives, does not statistically and significantly affect the the household's probability of becoming poor.