Penelitian Ini Dimaksud Untuk Menjawab Permasalahan. (1) Untuk Mengetahui Kehidupan Masyarakat Petani Kelapa Sawit Berdasarkan Aspek Sosial Ekonomi Sebelum Dan Sesudah Berdirinya Pesekutuan Komanditer Mekar Jaya Di Desa Lapri Kecamatan Sebatik Utara Kabupaten Nunukan, (2) Untuk Mengetahui Tingkat Kesejahteraan Masyarakat Petani Kelapa Sawit Dengan Berdirinya Persekutuan Komanditer Mekar Jaya Di Desa Lapri Kecamatan Sebatik Utara Kabupaten Nunukan. (3) Menggambarkan Multiplier Effect Yang Di Timbulkan Dengan Adanya Pesekutuan Komanditer Mekar Jaya Di Kecamatan Sebatik Utara. Metode Pengambilan Sampel Menggunakan Sample Random Sampling. Dengan Jumlah Sampel Yang Dijadikan Responden Sebanyak 55 Responden. Analisis Data Yang Digunakan Dalam Penelitian Ini Adalah Analisis Komparatif Dan Analisis Deskriptif Kualitatif Dengan Mengukur Tingkat Kesejahteraan Masyarakat Petani. Kesimpulan Penelitian 1). Dari Hasil Penelitian Dapat Dijelaskan Bahwa Sesudah Adanya Persekutuan Komanditer Mekar Jaya Di Kecamatan Sebatik Utara, Kehidupan Masyarakat Petani Mengalami Perubahan Ditinjau Dari Aspek Sosial Ekonomi Yakni: Pendidikan Sebesar 81,8%, Kesehatan Sebesar 72,7%, Kondisi Tempat Tinggal Sebesar 83,6% Fasilitas Tempat Tinggal Sebesar 80%, Perubahan Mata Pencaharian Sebesar 65,5%, Pendapatan Sebesar 65,5% Dan Tabungan Sebesar 49,1%. 2) Berdasarkan Aspek Sosial, Masyarakat Petani Masuk Dalam Kategori Tingkat Kesejahteraan Tinggi Yaitu Dengan Skor Rata-Rata Yang Dihasilkan Sebesar 2,43 Dan Berdasarkan Aspek Ekonomi Masuk Dalam Kategori Tingkat Kesejahteraan Sedang Dengan Skor Rata-Rata Sebesar 2,18. Maka Dari Itu, Persekutuan Komanditer Mekar Jaya Ini Cukup Berdampak Terhadap Masyarakat Petani Kelapa Sawit Di Desa Lapri Dan Skor Rata-Rata Keseluruhan Indikator Sebesar 2,32 Masuk Dalam Kesejahteraan Sedang. (3) Berdasarkan Multiplier Effect Yang Ditimbulkan Persekutuan Komanditer Mekar Jaya Di Kecamatan Sebatik Utara Terjadi Perubahan Yaitu Berdirinya Bangunan Sarang Walet, Ruko-Ruko, Jembatan, Toko Sembako, Gapura Kantor Dinas Perhubungan, Dan Kantor Karantina Perikanan.

Research Is Intended To Answer Problems. (1) To Find Out The Oil Palm Farmers Community Life Based On Socio-Economic Aspects Before And After The Establishment Of Mekar Jaya Limited Partnership In Lapri Village, North Sebatik District, Nunukan Regency, (2) To Determine The Level Of Welfare Of The Oil Palm Farmer Community With Its Establishment Of Mekar Jaya Limited Partnership In Lapri Village, North Sebatik District, Nunukan Regency. (3) Describing The Multiplier Effect Caused By The Existence Of The Mekar Jaya Limited Partnership In North Sebatik District. Sampling Method Used Sample Random Sampling. Total Sample Which Was Become Respondent Were 55 Respondent. To Analysis Used In This Study Is Comparative Analysis And Qualitative Descriptive Analysis By Measuring The Level Of Welfare Of Farmers. Research Conclusions: 1). From The Results Of The Study, It Can Be Explained That After The Existence Of Limited Partnership Mekar Jaya In North Sebatik District, The Life Of The Farmer Community Experienced Changes In Terms Of Socio-Economic Aspects, Namely: Education Of 81,8%, Health Of 72,7%, Housing Conditions Of 83,6%, Housing Facilities Of 80%, Livelihood Changes Of 65,5%, Income 65,5% And Savings Of 49,1%. 2) Based On The Social Aspect, The Farmer Community Is Included In The Category Of High Welfare Level, With An Average Score Of 2.43 And Based On Economic Aspects, The Farmer Community Falls Into The Category Of Moderate Welfare Level With An Average Score Of 2.18. Therefore, The Limited Partneship Mekar Jaya Has An Impact On The Community Of Oil Palm Farmers In Lapri Village And The Overall Average Score Of The Indicator Is 2.32 In Moderate Welfare. Based (3) Based On The Multiplier Effect Caused By The Limited Partnership Mekar Jaya In North Sebatik District There Has Been A Change, Namely The Establishment Of Swallow Nest Buildings, Shop Houses, Bridges, Basic Food Stores, The Gate Of The Transportation Service Office, And The Fisheries Quarantine Office.