WP_User_Query

// WP_User_Query arguments
$args = array (
	'order'          => 'ASC',
	'orderby'        => 'user_login',
	'meta_query'     => array(
		array(
			'key'       => 'country',
			'value'     => 'israel',
			'compare'   => '=',
		),
	),
);

// The User Query
$user_query = new WP_User_Query( $args );