ASTANA. September 1. KAZINFORM /Serik Sabekov/ One of my main objectives as a President is to ensure observance of our Constitution; Head of the State Nursultan Nazarbayev has stated today at the meeting with best school graduates of Astana city. "Due to the Constitution of Kazakhstan our economy has grown eightfold during last ten years. The moment we approved the Constitution and announced of the independency of our state the number of Kazakhstan citizens reached only 41 per cent whereas at present this number is 65 per cent. During these years we helped to over 1 mln Kazakh people to com back to their historical motherland. As a whole the number of Kazakhstan people during this period has grown from 14 mln 900 thousand to 16 mln 500 thousand people. All this thanks to increase of the birth rate, decrease of mortality factor and improvement of the economic and social situation in the country. One of my main objectives as a President is to ensure observance of our Constitution", - the President emphasized. "Constitution is an agreement between the authority and people", said the President.