2016: A man who came to the United States from Jamaica listens as the national anthem is played during a Naturalization Ceremony at Lyman Moore Middle School in Portland, when when 58 new U.S. citizens were sworn in by the U.S. Citizenship and Immigration Services.

2016: Sama Alziadi, 4, and her father, Tariq Alziadi, both of Sanford, who came to this country from Iraq, wait to be sworn in during a naturalization ceremony at Lyman Moore Middle School in Portland.

2016: Vanessa Connolly, Halle Chase, Mane Nour and Regan Noonan, all sixth-graders, join new citizens in saying the Pledge of Allegiance during a naturalization ceremony at Lyman Moore Middle School in Portland.

2016: New citizens take the Oath of Allegiance during a naturalization ceremony at Lyman Moore Middle School in Portland.

2016: Students sing "This Land is Your Land" during a naturalization ceremony at Lyman Moore Middle School in Portland.

2016: Mohamed Roone, 17, of Lewiston, born in Kenya, holds his hand to his heart as he listens to the National Anthem during the ceremony in which about 80 immigrants became citizens.

2016: Omar Hassan, 37, of Lewiston, and originally from Djibouti, was among those who became U.S. citizens in Portland on Friday. Naturalization applications nationwide are reported to be on the increase.

2016: Mwange Mulonda, 19, of Lewiston, who is originally from the Democratic Republic of the Congo, poses for a portrait after the naturalization ceremony in Portland on Friday.

2016: Jhon Florez, 23, of Portland, originally from Colombia, poses for a portrait with his wife, Susan, at a naturalization ceremony in Portland.

2016: Habibo Salat of Lewiston, a U.S. citizen originally from Somalia, holds an American flag as she waits with her children to receive their naturalization certificates after they became U.S. citizens.

2016: Rukia Abdullah, 12, and Zahara Jama, 12, both of Lewiston and born in Kenya, listen to the proceedings at a naturalization ceremony at the Portland Public Library.

2016: About 80 immigrants ages 7 to 22 became U.S. citizens on March 10 at the Portland Public Library.

2016: New citizens of the United States hold American flags as they gather their naturalization certificates after the citizenship ceremony at the Portland Public Library on Thursday.

2015: New American citizens recite the Pledge of Allegiance during a naturalization ceremony Friday at Maranacook Community Middle School in Readfield.

2015: New American citizens take the Oath of Allegiance during a naturalization ceremony Friday at Maranacook Community Middle School in Readfield.

2015: Ali Mohamed, of Auburn, left, shakes hands with Immigration Services Officer Ryan Locke as he receives a certificate during a naturalization ceremony Friday at Maranacook Community Middle School in Readfield.

2015: New citizens Chau Do, left, and Marion Mohamed, both of Lewiston, wave American flags after a naturalization ceremony at Maranacook Community Middle School in Readfield.

2015: Giang Duong laughs in celebration after she is officially declared a citizen of the United States during the naturalization ceremony at the Portland Public Library.

2015: Woraprat Noyvimol of Biddeford, who is originally from Thailand, became a United States citizen at a naturalization ceremony at the Portland Public Library.

2015: Sulafa Fadl holds an American flag after participating in the naturalization ceremony at the Portland Public Library on. Fadl is originally from the Sudan, and has lived in the United States for 10 years.

2015: Forqan Abdulaziz, who is originally from Iraq and has lived in Portland for five years, participated in the naturalization ceremony in Portland.

2015: Challa Tekalu, who is is originally from Ethiopia, wears an American flag after participating in the naturalization ceremony at the Portland Public Library.

2015: Abebanesh Abdela and her daughter Afomiya Timerga, 8, who are originally from Ethiopia, participated in the naturalization ceremony at the Portland Public Library. "I am so proud today, I cannot stop smiling," Abdela said.

2015: Eman Abed, who is is originally from Iraq and has lived in Portland for five years, holds an American flag after she participated in the naturalization ceremony at the Portland Public Library.

2015: Forqan Abdulaziz sits in the crowd before the naturalization ceremony at the Portland Public Library.

2015: Challa Tekalu of Westbrook, who is originally from Ethiopia, raises his right hand to swear allegiance to the United States during the naturalization ceremony at the Portland Public Library.

2015: Anas Beshir, 19, who is originally from the Sudan, became a United States citizen in a naturalization ceremony at the Portland Public Library.

2015: Giang Duong holds her nephew Jayden Chau, 16 months, before the beginning of the Naturalization Ceremony at the Portland Library in Portland. Duong is originally from Vietnam. Whitney Hayward / Staff Photographer

2014: Friends and family members take photos of some of America’s newest citizens at a naturalization ceremony at USM. The immigrants were natives of 39 different countries.

2014: Family members and friends cheer as 86 people receive their Certificates of Naturalization at USM's Hannaford Hall.

2014: A man holds a small American flag as he listens while the Petitions of Naturalization are called.

2014: Dennis Kirabo, originally of Uganda and now a seaman with the United States Coast Guard, salutes during the national anthem at a naturalization ceremony at USM's Hannaford Hall as Kirabo and 85 others become United States citizens.

2014: Lapina Loding, originally of South Sudan, proudly displays her Certificate of Naturalization after becoming a United States citizen.

2013: With the American flag in one hand and her father's hand in the other, Charlotte Urquhart of Bangor, left, walks out of Ocean Gateway with her dad Benjamin Urquhart, after Benjamin's wife and Charlotte's mother, Christine Urquhart, originally from France, became a U.S. Citizen at a Naturalization Ceremony.